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Finding the Fourth Proportional to 1,834,687.70, 2,752,031.55 and 1,563,062.30

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Solution

The fourth proportional to 1,834,687.70, 2,752,031.55 and 1,563,062.30 is: 2,344,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,687.70 : 2,752,031.55 = 1,563,062.30 : x
  2. Step 2: Convert to fraction form
    1,834,687.70/2,752,031.55 = 1,563,062.30/x
  3. Step 3: Cross multiply
    1,834,687.70x = 2,752,031.55 × 1,563,062.30
  4. Step 4: Simplify right side
    1,834,687.70x = 4,301,596,764,215.57
  5. Step 5: Solve for x
    x = 4,301,596,764,215.57/1,834,687.70
  6. Step 6: Final answer
    x = 2,344,593.45

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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.