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Finding the Fourth Proportional to 488,507.94, 732,726.80 and 151,539.85

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Solution

The fourth proportional to 488,507.94, 732,726.80 and 151,539.85 is: 227,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,507.94 : 732,726.80 = 151,539.85 : x
  2. Step 2: Convert to fraction form
    488,507.94/732,726.80 = 151,539.85/x
  3. Step 3: Cross multiply
    488,507.94x = 732,726.80 × 151,539.85
  4. Step 4: Simplify right side
    488,507.94x = 111,037,309,362.98
  5. Step 5: Solve for x
    x = 111,037,309,362.98/488,507.94
  6. Step 6: Final answer
    x = 227,298.88

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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.