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Finding the Fourth Proportional to 684,199.45, 944,192.86 and 382,393.45

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Solution

The fourth proportional to 684,199.45, 944,192.86 and 382,393.45 is: 527,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,199.45 : 944,192.86 = 382,393.45 : x
  2. Step 2: Convert to fraction form
    684,199.45/944,192.86 = 382,393.45/x
  3. Step 3: Cross multiply
    684,199.45x = 944,192.86 × 382,393.45
  4. Step 4: Simplify right side
    684,199.45x = 361,053,165,200.77
  5. Step 5: Solve for x
    x = 361,053,165,200.77/684,199.45
  6. Step 6: Final answer
    x = 527,701.63

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Double scale
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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.