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Finding the Fourth Proportional to 504,472.52, 756,752.40 and 144,644.96

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Solution

The fourth proportional to 504,472.52, 756,752.40 and 144,644.96 is: 216,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,472.52 : 756,752.40 = 144,644.96 : x
  2. Step 2: Convert to fraction form
    504,472.52/756,752.40 = 144,644.96/x
  3. Step 3: Cross multiply
    504,472.52x = 756,752.40 × 144,644.96
  4. Step 4: Simplify right side
    504,472.52x = 109,460,420,627.90
  5. Step 5: Solve for x
    x = 109,460,420,627.90/504,472.52
  6. Step 6: Final answer
    x = 216,979.95

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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.