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Finding the Fourth Proportional to 448,409.29, 672,616.36 and 132,868.93

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Solution

The fourth proportional to 448,409.29, 672,616.36 and 132,868.93 is: 199,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,409.29 : 672,616.36 = 132,868.93 : x
  2. Step 2: Convert to fraction form
    448,409.29/672,616.36 = 132,868.93/x
  3. Step 3: Cross multiply
    448,409.29x = 672,616.36 × 132,868.93
  4. Step 4: Simplify right side
    448,409.29x = 89,369,812,690.61
  5. Step 5: Solve for x
    x = 89,369,812,690.61/448,409.29
  6. Step 6: Final answer
    x = 199,304.11

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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.