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Finding the Fourth Proportional to 684,193.82, 944,185.11 and 382,387.82

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Solution

The fourth proportional to 684,193.82, 944,185.11 and 382,387.82 is: 527,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,193.82 : 944,185.11 = 382,387.82 : x
  2. Step 2: Convert to fraction form
    684,193.82/944,185.11 = 382,387.82/x
  3. Step 3: Cross multiply
    684,193.82x = 944,185.11 × 382,387.82
  4. Step 4: Simplify right side
    684,193.82x = 361,044,883,528.90
  5. Step 5: Solve for x
    x = 361,044,883,528.90/684,193.82
  6. Step 6: Final answer
    x = 527,693.87

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Half scale
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Double scale
Find fourth proportional to 684,194.82, 944,186.49 and 382,388.82
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.