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Finding the Fourth Proportional to 675,781.92, 932,205.51 and 434,100.20

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Solution

The fourth proportional to 675,781.92, 932,205.51 and 434,100.20 is: 598,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,781.92 : 932,205.51 = 434,100.20 : x
  2. Step 2: Convert to fraction form
    675,781.92/932,205.51 = 434,100.20/x
  3. Step 3: Cross multiply
    675,781.92x = 932,205.51 × 434,100.20
  4. Step 4: Simplify right side
    675,781.92x = 404,670,593,671.07
  5. Step 5: Solve for x
    x = 404,670,593,671.07/675,781.92
  6. Step 6: Final answer
    x = 598,818.32

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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.