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Finding the Fourth Proportional to 556,773.52, 835,150 and 177,691.20

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Solution

The fourth proportional to 556,773.52, 835,150 and 177,691.20 is: 266,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,773.52 : 835,150 = 177,691.20 : x
  2. Step 2: Convert to fraction form
    556,773.52/835,150 = 177,691.20/x
  3. Step 3: Cross multiply
    556,773.52x = 835,150 × 177,691.20
  4. Step 4: Simplify right side
    556,773.52x = 148,398,805,680
  5. Step 5: Solve for x
    x = 148,398,805,680/556,773.52
  6. Step 6: Final answer
    x = 266,533.52

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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.