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Finding the Fourth Proportional to 2,226,073.76, 3,338,454 and 946,678.80

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Solution

The fourth proportional to 2,226,073.76, 3,338,454 and 946,678.80 is: 1,419,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226,073.76 : 3,338,454 = 946,678.80 : x
  2. Step 2: Convert to fraction form
    2,226,073.76/3,338,454 = 946,678.80/x
  3. Step 3: Cross multiply
    2,226,073.76x = 3,338,454 × 946,678.80
  4. Step 4: Simplify right side
    2,226,073.76x = 3,160,443,626,575.20
  5. Step 5: Solve for x
    x = 3,160,443,626,575.20/2,226,073.76
  6. Step 6: Final answer
    x = 1,419,738.95

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1.5x scale

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.