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Finding the Fourth Proportional to 393,350.10, 542,683.17 and 232,124.46

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Solution

The fourth proportional to 393,350.10, 542,683.17 and 232,124.46 is: 320,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,350.10 : 542,683.17 = 232,124.46 : x
  2. Step 2: Convert to fraction form
    393,350.10/542,683.17 = 232,124.46/x
  3. Step 3: Cross multiply
    393,350.10x = 542,683.17 × 232,124.46
  4. Step 4: Simplify right side
    393,350.10x = 125,970,037,787.34
  5. Step 5: Solve for x
    x = 125,970,037,787.34/393,350.10
  6. Step 6: Final answer
    x = 320,249.16

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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.