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Finding the Fourth Proportional to 659,534.72, 910,178.56 and 373,049.08

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Solution

The fourth proportional to 659,534.72, 910,178.56 and 373,049.08 is: 514,819.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,534.72 : 910,178.56 = 373,049.08 : x
  2. Step 2: Convert to fraction form
    659,534.72/910,178.56 = 373,049.08/x
  3. Step 3: Cross multiply
    659,534.72x = 910,178.56 × 373,049.08
  4. Step 4: Simplify right side
    659,534.72x = 339,541,274,443.73
  5. Step 5: Solve for x
    x = 339,541,274,443.73/659,534.72
  6. Step 6: Final answer
    x = 514,819.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.