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Finding the Fourth Proportional to 372,590.42, 558,548.64 and 135,877.64

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Solution

The fourth proportional to 372,590.42, 558,548.64 and 135,877.64 is: 203,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,590.42 : 558,548.64 = 135,877.64 : x
  2. Step 2: Convert to fraction form
    372,590.42/558,548.64 = 135,877.64/x
  3. Step 3: Cross multiply
    372,590.42x = 558,548.64 × 135,877.64
  4. Step 4: Simplify right side
    372,590.42x = 75,894,268,235.67
  5. Step 5: Solve for x
    x = 75,894,268,235.67/372,590.42
  6. Step 6: Final answer
    x = 203,693.56

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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.