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Finding the Fourth Proportional to 609,350.80, 914,285.40 and 293,645.20

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Solution

The fourth proportional to 609,350.80, 914,285.40 and 293,645.20 is: 440,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,350.80 : 914,285.40 = 293,645.20 : x
  2. Step 2: Convert to fraction form
    609,350.80/914,285.40 = 293,645.20/x
  3. Step 3: Cross multiply
    609,350.80x = 914,285.40 × 293,645.20
  4. Step 4: Simplify right side
    609,350.80x = 268,475,519,140.08
  5. Step 5: Solve for x
    x = 268,475,519,140.08/609,350.80
  6. Step 6: Final answer
    x = 440,592.71

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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.