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Finding the Fourth Proportional to 522,753.71, 784,232.63 and 167,740.43

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Solution

The fourth proportional to 522,753.71, 784,232.63 and 167,740.43 is: 251,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,753.71 : 784,232.63 = 167,740.43 : x
  2. Step 2: Convert to fraction form
    522,753.71/784,232.63 = 167,740.43/x
  3. Step 3: Cross multiply
    522,753.71x = 784,232.63 × 167,740.43
  4. Step 4: Simplify right side
    522,753.71x = 131,547,517,737.53
  5. Step 5: Solve for x
    x = 131,547,517,737.53/522,753.71
  6. Step 6: Final answer
    x = 251,643.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.