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Finding the Fourth Proportional to 435,273.72, 652,835.20 and 119,655.60

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Solution

The fourth proportional to 435,273.72, 652,835.20 and 119,655.60 is: 179,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,273.72 : 652,835.20 = 119,655.60 : x
  2. Step 2: Convert to fraction form
    435,273.72/652,835.20 = 119,655.60/x
  3. Step 3: Cross multiply
    435,273.72x = 652,835.20 × 119,655.60
  4. Step 4: Simplify right side
    435,273.72x = 78,115,387,557.12
  5. Step 5: Solve for x
    x = 78,115,387,557.12/435,273.72
  6. Step 6: Final answer
    x = 179,462.68

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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.