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Finding the Fourth Proportional to 527,468.80, 791,224.80 and 153,491.84

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Solution

The fourth proportional to 527,468.80, 791,224.80 and 153,491.84 is: 230,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,468.80 : 791,224.80 = 153,491.84 : x
  2. Step 2: Convert to fraction form
    527,468.80/791,224.80 = 153,491.84/x
  3. Step 3: Cross multiply
    527,468.80x = 791,224.80 × 153,491.84
  4. Step 4: Simplify right side
    527,468.80x = 121,446,550,405.63
  5. Step 5: Solve for x
    x = 121,446,550,405.63/527,468.80
  6. Step 6: Final answer
    x = 230,244.05

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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.