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Finding the Fourth Proportional to 1,039,478, 1,559,217.03 and 251,510

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Solution

The fourth proportional to 1,039,478, 1,559,217.03 and 251,510 is: 377,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,478 : 1,559,217.03 = 251,510 : x
  2. Step 2: Convert to fraction form
    1,039,478/1,559,217.03 = 251,510/x
  3. Step 3: Cross multiply
    1,039,478x = 1,559,217.03 × 251,510
  4. Step 4: Simplify right side
    1,039,478x = 392,158,675,215.30
  5. Step 5: Solve for x
    x = 392,158,675,215.30/1,039,478
  6. Step 6: Final answer
    x = 377,265.01

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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.