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Finding the Fourth Proportional to 463,298.65, 639,022.55 and 425,181.29

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Solution

The fourth proportional to 463,298.65, 639,022.55 and 425,181.29 is: 586,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,298.65 : 639,022.55 = 425,181.29 : x
  2. Step 2: Convert to fraction form
    463,298.65/639,022.55 = 425,181.29/x
  3. Step 3: Cross multiply
    463,298.65x = 639,022.55 × 425,181.29
  4. Step 4: Simplify right side
    463,298.65x = 271,700,434,610.47
  5. Step 5: Solve for x
    x = 271,700,434,610.47/463,298.65
  6. Step 6: Final answer
    x = 586,447.71

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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.