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Finding the Fourth Proportional to 372,635.69, 558,875.16 and 119,938.77

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Solution

The fourth proportional to 372,635.69, 558,875.16 and 119,938.77 is: 179,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,635.69 : 558,875.16 = 119,938.77 : x
  2. Step 2: Convert to fraction form
    372,635.69/558,875.16 = 119,938.77/x
  3. Step 3: Cross multiply
    372,635.69x = 558,875.16 × 119,938.77
  4. Step 4: Simplify right side
    372,635.69x = 67,030,799,273.95
  5. Step 5: Solve for x
    x = 67,030,799,273.95/372,635.69
  6. Step 6: Final answer
    x = 179,882.93

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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.