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Finding the Fourth Proportional to 1,039,473, 1,559,209.56 and 251,505

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Solution

The fourth proportional to 1,039,473, 1,559,209.56 and 251,505 is: 377,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,473 : 1,559,209.56 = 251,505 : x
  2. Step 2: Convert to fraction form
    1,039,473/1,559,209.56 = 251,505/x
  3. Step 3: Cross multiply
    1,039,473x = 1,559,209.56 × 251,505
  4. Step 4: Simplify right side
    1,039,473x = 392,149,000,387.80
  5. Step 5: Solve for x
    x = 392,149,000,387.80/1,039,473
  6. Step 6: Final answer
    x = 377,257.51

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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.