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Finding the Fourth Proportional to 423,915, 635,041.38 and 246,049.08

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Solution

The fourth proportional to 423,915, 635,041.38 and 246,049.08 is: 368,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,915 : 635,041.38 = 246,049.08 : x
  2. Step 2: Convert to fraction form
    423,915/635,041.38 = 246,049.08/x
  3. Step 3: Cross multiply
    423,915x = 635,041.38 × 246,049.08
  4. Step 4: Simplify right side
    423,915x = 156,251,347,310.93
  5. Step 5: Solve for x
    x = 156,251,347,310.93/423,915
  6. Step 6: Final answer
    x = 368,591.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.