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Finding the Fourth Proportional to 635,156.76, 876,517.17 and 344,768.14

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Solution

The fourth proportional to 635,156.76, 876,517.17 and 344,768.14 is: 475,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,156.76 : 876,517.17 = 344,768.14 : x
  2. Step 2: Convert to fraction form
    635,156.76/876,517.17 = 344,768.14/x
  3. Step 3: Cross multiply
    635,156.76x = 876,517.17 × 344,768.14
  4. Step 4: Simplify right side
    635,156.76x = 302,195,194,378.96
  5. Step 5: Solve for x
    x = 302,195,194,378.96/635,156.76
  6. Step 6: Final answer
    x = 475,780.49

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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.