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Finding the Fourth Proportional to 487,496.32, 731,260.67 and 167,645.05

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Solution

The fourth proportional to 487,496.32, 731,260.67 and 167,645.05 is: 251,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,496.32 : 731,260.67 = 167,645.05 : x
  2. Step 2: Convert to fraction form
    487,496.32/731,260.67 = 167,645.05/x
  3. Step 3: Cross multiply
    487,496.32x = 731,260.67 × 167,645.05
  4. Step 4: Simplify right side
    487,496.32x = 122,592,231,585.18
  5. Step 5: Solve for x
    x = 122,592,231,585.18/487,496.32
  6. Step 6: Final answer
    x = 251,473.14

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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.