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Finding the Fourth Proportional to 635,147.62, 876,471.57 and 377,035.61

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Solution

The fourth proportional to 635,147.62, 876,471.57 and 377,035.61 is: 520,290.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,147.62 : 876,471.57 = 377,035.61 : x
  2. Step 2: Convert to fraction form
    635,147.62/876,471.57 = 377,035.61/x
  3. Step 3: Cross multiply
    635,147.62x = 876,471.57 × 377,035.61
  4. Step 4: Simplify right side
    635,147.62x = 330,460,988,660.25
  5. Step 5: Solve for x
    x = 330,460,988,660.25/635,147.62
  6. Step 6: Final answer
    x = 520,290.05

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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.