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Finding the Fourth Proportional to 635,200.92, 956,604.21 and 578,513.88

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Solution

The fourth proportional to 635,200.92, 956,604.21 and 578,513.88 is: 871,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,200.92 : 956,604.21 = 578,513.88 : x
  2. Step 2: Convert to fraction form
    635,200.92/956,604.21 = 578,513.88/x
  3. Step 3: Cross multiply
    635,200.92x = 956,604.21 × 578,513.88
  4. Step 4: Simplify right side
    635,200.92x = 553,408,813,151.44
  5. Step 5: Solve for x
    x = 553,408,813,151.44/635,200.92
  6. Step 6: Final answer
    x = 871,234.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.