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Finding the Fourth Proportional to 908,353.88, 1,253,468.16 and 545,793

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Solution

The fourth proportional to 908,353.88, 1,253,468.16 and 545,793 is: 753,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,353.88 : 1,253,468.16 = 545,793 : x
  2. Step 2: Convert to fraction form
    908,353.88/1,253,468.16 = 545,793/x
  3. Step 3: Cross multiply
    908,353.88x = 1,253,468.16 × 545,793
  4. Step 4: Simplify right side
    908,353.88x = 684,134,147,450.88
  5. Step 5: Solve for x
    x = 684,134,147,450.88/908,353.88
  6. Step 6: Final answer
    x = 753,158.17

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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.