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Finding the Fourth Proportional to 372,505.59, 558,841.68 and 135,848.27

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Solution

The fourth proportional to 372,505.59, 558,841.68 and 135,848.27 is: 203,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,505.59 : 558,841.68 = 135,848.27 : x
  2. Step 2: Convert to fraction form
    372,505.59/558,841.68 = 135,848.27/x
  3. Step 3: Cross multiply
    372,505.59x = 558,841.68 × 135,848.27
  4. Step 4: Simplify right side
    372,505.59x = 75,917,677,848.24
  5. Step 5: Solve for x
    x = 75,917,677,848.24/372,505.59
  6. Step 6: Final answer
    x = 203,802.79

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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.