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Finding the Fourth Proportional to 499,269.70, 748,904.55 and 144,295.30

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Solution

The fourth proportional to 499,269.70, 748,904.55 and 144,295.30 is: 216,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,269.70 : 748,904.55 = 144,295.30 : x
  2. Step 2: Convert to fraction form
    499,269.70/748,904.55 = 144,295.30/x
  3. Step 3: Cross multiply
    499,269.70x = 748,904.55 × 144,295.30
  4. Step 4: Simplify right side
    499,269.70x = 108,063,406,713.62
  5. Step 5: Solve for x
    x = 108,063,406,713.62/499,269.70
  6. Step 6: Final answer
    x = 216,442.95

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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.