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Finding the Fourth Proportional to 558,860.20, 838,290.30 and 444,698.80

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Solution

The fourth proportional to 558,860.20, 838,290.30 and 444,698.80 is: 667,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,860.20 : 838,290.30 = 444,698.80 : x
  2. Step 2: Convert to fraction form
    558,860.20/838,290.30 = 444,698.80/x
  3. Step 3: Cross multiply
    558,860.20x = 838,290.30 × 444,698.80
  4. Step 4: Simplify right side
    558,860.20x = 372,786,690,461.64
  5. Step 5: Solve for x
    x = 372,786,690,461.64/558,860.20
  6. Step 6: Final answer
    x = 667,048.20

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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.