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Finding the Fourth Proportional to 408,209.99, 612,105.08 and 183,377.57

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Solution

The fourth proportional to 408,209.99, 612,105.08 and 183,377.57 is: 274,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,209.99 : 612,105.08 = 183,377.57 : x
  2. Step 2: Convert to fraction form
    408,209.99/612,105.08 = 183,377.57/x
  3. Step 3: Cross multiply
    408,209.99x = 612,105.08 × 183,377.57
  4. Step 4: Simplify right side
    408,209.99x = 112,246,338,177.64
  5. Step 5: Solve for x
    x = 112,246,338,177.64/408,209.99
  6. Step 6: Final answer
    x = 274,972.05

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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.