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Finding the Fourth Proportional to 1,039,471, 1,559,206.56 and 251,503

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Solution

The fourth proportional to 1,039,471, 1,559,206.56 and 251,503 is: 377,254.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,471 : 1,559,206.56 = 251,503 : x
  2. Step 2: Convert to fraction form
    1,039,471/1,559,206.56 = 251,503/x
  3. Step 3: Cross multiply
    1,039,471x = 1,559,206.56 × 251,503
  4. Step 4: Simplify right side
    1,039,471x = 392,145,127,459.68
  5. Step 5: Solve for x
    x = 392,145,127,459.68/1,039,471
  6. Step 6: Final answer
    x = 377,254.51

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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.