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Finding the Fourth Proportional to 496,498.88, 744,636.16 and 141,505.28

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Solution

The fourth proportional to 496,498.88, 744,636.16 and 141,505.28 is: 212,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,498.88 : 744,636.16 = 141,505.28 : x
  2. Step 2: Convert to fraction form
    496,498.88/744,636.16 = 141,505.28/x
  3. Step 3: Cross multiply
    496,498.88x = 744,636.16 × 141,505.28
  4. Step 4: Simplify right side
    496,498.88x = 105,369,948,318.93
  5. Step 5: Solve for x
    x = 105,369,948,318.93/496,498.88
  6. Step 6: Final answer
    x = 212,225.95

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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.