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Finding the Fourth Proportional to 451,729.04, 676,690.10 and 271,715.04

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Solution

The fourth proportional to 451,729.04, 676,690.10 and 271,715.04 is: 407,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,729.04 : 676,690.10 = 271,715.04 : x
  2. Step 2: Convert to fraction form
    451,729.04/676,690.10 = 271,715.04/x
  3. Step 3: Cross multiply
    451,729.04x = 676,690.10 × 271,715.04
  4. Step 4: Simplify right side
    451,729.04x = 183,866,877,249.46
  5. Step 5: Solve for x
    x = 183,866,877,249.46/451,729.04
  6. Step 6: Final answer
    x = 407,029.13

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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.