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Finding the Fourth Proportional to 469,387.30, 703,799.77 and 149,400.94

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Solution

The fourth proportional to 469,387.30, 703,799.77 and 149,400.94 is: 224,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,387.30 : 703,799.77 = 149,400.94 : x
  2. Step 2: Convert to fraction form
    469,387.30/703,799.77 = 149,400.94/x
  3. Step 3: Cross multiply
    469,387.30x = 703,799.77 × 149,400.94
  4. Step 4: Simplify right side
    469,387.30x = 105,148,347,209.78
  5. Step 5: Solve for x
    x = 105,148,347,209.78/469,387.30
  6. Step 6: Final answer
    x = 224,011.91

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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.