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Finding the Fourth Proportional to 463,687.44, 639,556.66 and 425,569.85

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Solution

The fourth proportional to 463,687.44, 639,556.66 and 425,569.85 is: 586,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,687.44 : 639,556.66 = 425,569.85 : x
  2. Step 2: Convert to fraction form
    463,687.44/639,556.66 = 425,569.85/x
  3. Step 3: Cross multiply
    463,687.44x = 639,556.66 × 425,569.85
  4. Step 4: Simplify right side
    463,687.44x = 272,176,031,595.22
  5. Step 5: Solve for x
    x = 272,176,031,595.22/463,687.44
  6. Step 6: Final answer
    x = 586,981.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.