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Finding the Fourth Proportional to 610,507.71, 915,747.27 and 161,259.93

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Solution

The fourth proportional to 610,507.71, 915,747.27 and 161,259.93 is: 241,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,507.71 : 915,747.27 = 161,259.93 : x
  2. Step 2: Convert to fraction form
    610,507.71/915,747.27 = 161,259.93/x
  3. Step 3: Cross multiply
    610,507.71x = 915,747.27 × 161,259.93
  4. Step 4: Simplify right side
    610,507.71x = 147,673,340,657.89
  5. Step 5: Solve for x
    x = 147,673,340,657.89/610,507.71
  6. Step 6: Final answer
    x = 241,886.12

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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.