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Finding the Fourth Proportional to 360,151.20, 539,449.20 and 297,943.20

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Solution

The fourth proportional to 360,151.20, 539,449.20 and 297,943.20 is: 446,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,151.20 : 539,449.20 = 297,943.20 : x
  2. Step 2: Convert to fraction form
    360,151.20/539,449.20 = 297,943.20/x
  3. Step 3: Cross multiply
    360,151.20x = 539,449.20 × 297,943.20
  4. Step 4: Simplify right side
    360,151.20x = 160,725,220,885.44
  5. Step 5: Solve for x
    x = 160,725,220,885.44/360,151.20
  6. Step 6: Final answer
    x = 446,271.51

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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.