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Finding the Fourth Proportional to 372,564, 558,898.56 and 119,759.76

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Solution

The fourth proportional to 372,564, 558,898.56 and 119,759.76 is: 179,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,564 : 558,898.56 = 119,759.76 : x
  2. Step 2: Convert to fraction form
    372,564/558,898.56 = 119,759.76/x
  3. Step 3: Cross multiply
    372,564x = 558,898.56 × 119,759.76
  4. Step 4: Simplify right side
    372,564x = 66,933,557,409.95
  5. Step 5: Solve for x
    x = 66,933,557,409.95/372,564
  6. Step 6: Final answer
    x = 179,656.54

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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.