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Finding the Fourth Proportional to 284,232.67, 392,254.71 and 156,916.46

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Solution

The fourth proportional to 284,232.67, 392,254.71 and 156,916.46 is: 216,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,232.67 : 392,254.71 = 156,916.46 : x
  2. Step 2: Convert to fraction form
    284,232.67/392,254.71 = 156,916.46/x
  3. Step 3: Cross multiply
    284,232.67x = 392,254.71 × 156,916.46
  4. Step 4: Simplify right side
    284,232.67x = 61,551,220,511.53
  5. Step 5: Solve for x
    x = 61,551,220,511.53/284,232.67
  6. Step 6: Final answer
    x = 216,552.24

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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.