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Finding the Fourth Proportional to 1,154,248.60, 1,729,404.60 and 984,974.80

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Solution

The fourth proportional to 1,154,248.60, 1,729,404.60 and 984,974.80 is: 1,475,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,248.60 : 1,729,404.60 = 984,974.80 : x
  2. Step 2: Convert to fraction form
    1,154,248.60/1,729,404.60 = 984,974.80/x
  3. Step 3: Cross multiply
    1,154,248.60x = 1,729,404.60 × 984,974.80
  4. Step 4: Simplify right side
    1,154,248.60x = 1,703,419,950,004.08
  5. Step 5: Solve for x
    x = 1,703,419,950,004.08/1,154,248.60
  6. Step 6: Final answer
    x = 1,475,782.56

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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.