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Finding the Fourth Proportional to 449,565.42, 674,374.11 and 169,085.10

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Solution

The fourth proportional to 449,565.42, 674,374.11 and 169,085.10 is: 253,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,565.42 : 674,374.11 = 169,085.10 : x
  2. Step 2: Convert to fraction form
    449,565.42/674,374.11 = 169,085.10/x
  3. Step 3: Cross multiply
    449,565.42x = 674,374.11 × 169,085.10
  4. Step 4: Simplify right side
    449,565.42x = 114,026,613,826.76
  5. Step 5: Solve for x
    x = 114,026,613,826.76/449,565.42
  6. Step 6: Final answer
    x = 253,637.42

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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.