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Finding the Fourth Proportional to 462,449.47, 638,175.44 and 271,425.95

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Solution

The fourth proportional to 462,449.47, 638,175.44 and 271,425.95 is: 374,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,449.47 : 638,175.44 = 271,425.95 : x
  2. Step 2: Convert to fraction form
    462,449.47/638,175.44 = 271,425.95/x
  3. Step 3: Cross multiply
    462,449.47x = 638,175.44 × 271,425.95
  4. Step 4: Simplify right side
    462,449.47x = 173,217,377,342.67
  5. Step 5: Solve for x
    x = 173,217,377,342.67/462,449.47
  6. Step 6: Final answer
    x = 374,564.98

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1.5x scale

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.