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Finding the Fourth Proportional to 526,704.80, 790,241.52 and 152,750.24

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Solution

The fourth proportional to 526,704.80, 790,241.52 and 152,750.24 is: 229,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,704.80 : 790,241.52 = 152,750.24 : x
  2. Step 2: Convert to fraction form
    526,704.80/790,241.52 = 152,750.24/x
  3. Step 3: Cross multiply
    526,704.80x = 790,241.52 × 152,750.24
  4. Step 4: Simplify right side
    526,704.80x = 120,709,581,837.97
  5. Step 5: Solve for x
    x = 120,709,581,837.97/526,704.80
  6. Step 6: Final answer
    x = 229,178.81

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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.