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Finding the Fourth Proportional to 487,626.31, 731,250.36 and 167,717.35

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Solution

The fourth proportional to 487,626.31, 731,250.36 and 167,717.35 is: 251,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,626.31 : 731,250.36 = 167,717.35 : x
  2. Step 2: Convert to fraction form
    487,626.31/731,250.36 = 167,717.35/x
  3. Step 3: Cross multiply
    487,626.31x = 731,250.36 × 167,717.35
  4. Step 4: Simplify right side
    487,626.31x = 122,643,372,565.75
  5. Step 5: Solve for x
    x = 122,643,372,565.75/487,626.31
  6. Step 6: Final answer
    x = 251,510.98

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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.