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Finding the Fourth Proportional to 604,959.20, 906,862.80 and 225,778.40

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Solution

The fourth proportional to 604,959.20, 906,862.80 and 225,778.40 is: 338,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,959.20 : 906,862.80 = 225,778.40 : x
  2. Step 2: Convert to fraction form
    604,959.20/906,862.80 = 225,778.40/x
  3. Step 3: Cross multiply
    604,959.20x = 906,862.80 × 225,778.40
  4. Step 4: Simplify right side
    604,959.20x = 204,750,032,003.52
  5. Step 5: Solve for x
    x = 204,750,032,003.52/604,959.20
  6. Step 6: Final answer
    x = 338,452.63

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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.