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Finding the Fourth Proportional to 273,657.72, 410,151.24 and 155,428.50

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Solution

The fourth proportional to 273,657.72, 410,151.24 and 155,428.50 is: 232,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,657.72 : 410,151.24 = 155,428.50 : x
  2. Step 2: Convert to fraction form
    273,657.72/410,151.24 = 155,428.50/x
  3. Step 3: Cross multiply
    273,657.72x = 410,151.24 × 155,428.50
  4. Step 4: Simplify right side
    273,657.72x = 63,749,192,006.34
  5. Step 5: Solve for x
    x = 63,749,192,006.34/273,657.72
  6. Step 6: Final answer
    x = 232,952.29

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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.