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Finding the Fourth Proportional to 602,818.66, 904,365.96 and 261,319.15

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Solution

The fourth proportional to 602,818.66, 904,365.96 and 261,319.15 is: 392,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,818.66 : 904,365.96 = 261,319.15 : x
  2. Step 2: Convert to fraction form
    602,818.66/904,365.96 = 261,319.15/x
  3. Step 3: Cross multiply
    602,818.66x = 904,365.96 × 261,319.15
  4. Step 4: Simplify right side
    602,818.66x = 236,328,143,956.13
  5. Step 5: Solve for x
    x = 236,328,143,956.13/602,818.66
  6. Step 6: Final answer
    x = 392,038.53

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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.