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Finding the Fourth Proportional to 488,774.08, 733,017.28 and 147,203.52

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Solution

The fourth proportional to 488,774.08, 733,017.28 and 147,203.52 is: 220,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,774.08 : 733,017.28 = 147,203.52 : x
  2. Step 2: Convert to fraction form
    488,774.08/733,017.28 = 147,203.52/x
  3. Step 3: Cross multiply
    488,774.08x = 733,017.28 × 147,203.52
  4. Step 4: Simplify right side
    488,774.08x = 107,902,723,836.83
  5. Step 5: Solve for x
    x = 107,902,723,836.83/488,774.08
  6. Step 6: Final answer
    x = 220,761.96

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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.