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Finding the Fourth Proportional to 447,205.04, 670,807.56 and 114,781.04

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Solution

The fourth proportional to 447,205.04, 670,807.56 and 114,781.04 is: 172,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,205.04 : 670,807.56 = 114,781.04 : x
  2. Step 2: Convert to fraction form
    447,205.04/670,807.56 = 114,781.04/x
  3. Step 3: Cross multiply
    447,205.04x = 670,807.56 × 114,781.04
  4. Step 4: Simplify right side
    447,205.04x = 76,995,989,376.66
  5. Step 5: Solve for x
    x = 76,995,989,376.66/447,205.04
  6. Step 6: Final answer
    x = 172,171.56

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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.