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Finding the Fourth Proportional to 453,572.88, 680,365.80 and 158,084.88

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Solution

The fourth proportional to 453,572.88, 680,365.80 and 158,084.88 is: 237,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,572.88 : 680,365.80 = 158,084.88 : x
  2. Step 2: Convert to fraction form
    453,572.88/680,365.80 = 158,084.88/x
  3. Step 3: Cross multiply
    453,572.88x = 680,365.80 × 158,084.88
  4. Step 4: Simplify right side
    453,572.88x = 107,555,545,849.10
  5. Step 5: Solve for x
    x = 107,555,545,849.10/453,572.88
  6. Step 6: Final answer
    x = 237,129.58

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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.