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Finding the Fourth Proportional to 449,655.32, 674,950.15 and 300,934.87

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Solution

The fourth proportional to 449,655.32, 674,950.15 and 300,934.87 is: 451,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,655.32 : 674,950.15 = 300,934.87 : x
  2. Step 2: Convert to fraction form
    449,655.32/674,950.15 = 300,934.87/x
  3. Step 3: Cross multiply
    449,655.32x = 674,950.15 × 300,934.87
  4. Step 4: Simplify right side
    449,655.32x = 203,116,035,646.73
  5. Step 5: Solve for x
    x = 203,116,035,646.73/449,655.32
  6. Step 6: Final answer
    x = 451,714.96

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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.