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Finding the Fourth Proportional to 372,572, 558,910.56 and 119,767.76

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Solution

The fourth proportional to 372,572, 558,910.56 and 119,767.76 is: 179,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,572 : 558,910.56 = 119,767.76 : x
  2. Step 2: Convert to fraction form
    372,572/558,910.56 = 119,767.76/x
  3. Step 3: Cross multiply
    372,572x = 558,910.56 × 119,767.76
  4. Step 4: Simplify right side
    372,572x = 66,939,465,811.55
  5. Step 5: Solve for x
    x = 66,939,465,811.55/372,572
  6. Step 6: Final answer
    x = 179,668.54

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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.