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Finding the Fourth Proportional to 635,101.34, 876,428.85 and 344,706.68

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Solution

The fourth proportional to 635,101.34, 876,428.85 and 344,706.68 is: 475,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,101.34 : 876,428.85 = 344,706.68 : x
  2. Step 2: Convert to fraction form
    635,101.34/876,428.85 = 344,706.68/x
  3. Step 3: Cross multiply
    635,101.34x = 876,428.85 × 344,706.68
  4. Step 4: Simplify right side
    635,101.34x = 302,110,874,757.57
  5. Step 5: Solve for x
    x = 302,110,874,757.57/635,101.34
  6. Step 6: Final answer
    x = 475,689.24

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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.