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Finding the Fourth Proportional to 449,291.22, 673,711.47 and 149,666.46

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Solution

The fourth proportional to 449,291.22, 673,711.47 and 149,666.46 is: 224,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,291.22 : 673,711.47 = 149,666.46 : x
  2. Step 2: Convert to fraction form
    449,291.22/673,711.47 = 149,666.46/x
  3. Step 3: Cross multiply
    449,291.22x = 673,711.47 × 149,666.46
  4. Step 4: Simplify right side
    449,291.22x = 100,832,010,776.30
  5. Step 5: Solve for x
    x = 100,832,010,776.30/449,291.22
  6. Step 6: Final answer
    x = 224,424.62

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1.5x scale

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.