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Finding the Fourth Proportional to 609,350.68, 914,886.06 and 383,980.60

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Solution

The fourth proportional to 609,350.68, 914,886.06 and 383,980.60 is: 576,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,350.68 : 914,886.06 = 383,980.60 : x
  2. Step 2: Convert to fraction form
    609,350.68/914,886.06 = 383,980.60/x
  3. Step 3: Cross multiply
    609,350.68x = 914,886.06 × 383,980.60
  4. Step 4: Simplify right side
    609,350.68x = 351,298,498,250.44
  5. Step 5: Solve for x
    x = 351,298,498,250.44/609,350.68
  6. Step 6: Final answer
    x = 576,512.85

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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.