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Finding the Fourth Proportional to 469,963.52, 704,867.52 and 154,423.16

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Solution

The fourth proportional to 469,963.52, 704,867.52 and 154,423.16 is: 231,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,963.52 : 704,867.52 = 154,423.16 : x
  2. Step 2: Convert to fraction form
    469,963.52/704,867.52 = 154,423.16/x
  3. Step 3: Cross multiply
    469,963.52x = 704,867.52 × 154,423.16
  4. Step 4: Simplify right side
    469,963.52x = 108,847,869,819.76
  5. Step 5: Solve for x
    x = 108,847,869,819.76/469,963.52
  6. Step 6: Final answer
    x = 231,609.19

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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.