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Finding the Fourth Proportional to 684,200.69, 944,194.59 and 382,394.69

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Solution

The fourth proportional to 684,200.69, 944,194.59 and 382,394.69 is: 527,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,200.69 : 944,194.59 = 382,394.69 : x
  2. Step 2: Convert to fraction form
    684,200.69/944,194.59 = 382,394.69/x
  3. Step 3: Cross multiply
    684,200.69x = 944,194.59 × 382,394.69
  4. Step 4: Simplify right side
    684,200.69x = 361,054,999,903.21
  5. Step 5: Solve for x
    x = 361,054,999,903.21/684,200.69
  6. Step 6: Final answer
    x = 527,703.35

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Half scale
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Double scale
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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.