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Finding the Fourth Proportional to 283,546.30, 425,319.45 and 255,552.70

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Solution

The fourth proportional to 283,546.30, 425,319.45 and 255,552.70 is: 383,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,546.30 : 425,319.45 = 255,552.70 : x
  2. Step 2: Convert to fraction form
    283,546.30/425,319.45 = 255,552.70/x
  3. Step 3: Cross multiply
    283,546.30x = 425,319.45 × 255,552.70
  4. Step 4: Simplify right side
    283,546.30x = 108,691,533,810.02
  5. Step 5: Solve for x
    x = 108,691,533,810.02/283,546.30
  6. Step 6: Final answer
    x = 383,329.05

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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.