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Finding the Fourth Proportional to 1,834,697.70, 2,752,046.55 and 1,356,400.80

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Solution

The fourth proportional to 1,834,697.70, 2,752,046.55 and 1,356,400.80 is: 2,034,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,697.70 : 2,752,046.55 = 1,356,400.80 : x
  2. Step 2: Convert to fraction form
    1,834,697.70/2,752,046.55 = 1,356,400.80/x
  3. Step 3: Cross multiply
    1,834,697.70x = 2,752,046.55 × 1,356,400.80
  4. Step 4: Simplify right side
    1,834,697.70x = 3,732,878,142,057.24
  5. Step 5: Solve for x
    x = 3,732,878,142,057.24/1,834,697.70
  6. Step 6: Final answer
    x = 2,034,601.20

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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.