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Finding the Fourth Proportional to 449,511.62, 674,041.68 and 149,886.14

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Solution

The fourth proportional to 449,511.62, 674,041.68 and 149,886.14 is: 224,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,511.62 : 674,041.68 = 149,886.14 : x
  2. Step 2: Convert to fraction form
    449,511.62/674,041.68 = 149,886.14/x
  3. Step 3: Cross multiply
    449,511.62x = 674,041.68 × 149,886.14
  4. Step 4: Simplify right side
    449,511.62x = 101,029,502,244.11
  5. Step 5: Solve for x
    x = 101,029,502,244.11/449,511.62
  6. Step 6: Final answer
    x = 224,753.93

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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.