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Finding the Fourth Proportional to 602,264.72, 902,609.76 and 451,318.52

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Solution

The fourth proportional to 602,264.72, 902,609.76 and 451,318.52 is: 676,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,264.72 : 902,609.76 = 451,318.52 : x
  2. Step 2: Convert to fraction form
    602,264.72/902,609.76 = 451,318.52/x
  3. Step 3: Cross multiply
    602,264.72x = 902,609.76 × 451,318.52
  4. Step 4: Simplify right side
    602,264.72x = 407,364,501,020.76
  5. Step 5: Solve for x
    x = 407,364,501,020.76/602,264.72
  6. Step 6: Final answer
    x = 676,387.79

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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.