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Finding the Fourth Proportional to 463,392.50, 639,151.43 and 425,275.14

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Solution

The fourth proportional to 463,392.50, 639,151.43 and 425,275.14 is: 586,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,392.50 : 639,151.43 = 425,275.14 : x
  2. Step 2: Convert to fraction form
    463,392.50/639,151.43 = 425,275.14/x
  3. Step 3: Cross multiply
    463,392.50x = 639,151.43 × 425,275.14
  4. Step 4: Simplify right side
    463,392.50x = 271,815,212,340.31
  5. Step 5: Solve for x
    x = 271,815,212,340.31/463,392.50
  6. Step 6: Final answer
    x = 586,576.64

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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.