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Finding the Fourth Proportional to 435,557.18, 653,376.17 and 169,337.93

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Solution

The fourth proportional to 435,557.18, 653,376.17 and 169,337.93 is: 254,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,557.18 : 653,376.17 = 169,337.93 : x
  2. Step 2: Convert to fraction form
    435,557.18/653,376.17 = 169,337.93/x
  3. Step 3: Cross multiply
    435,557.18x = 653,376.17 × 169,337.93
  4. Step 4: Simplify right side
    435,557.18x = 110,641,365,295.59
  5. Step 5: Solve for x
    x = 110,641,365,295.59/435,557.18
  6. Step 6: Final answer
    x = 254,022.59

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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.