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Finding the Fourth Proportional to 567,892.70, 851,115.45 and 301,780.70

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Solution

The fourth proportional to 567,892.70, 851,115.45 and 301,780.70 is: 452,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,892.70 : 851,115.45 = 301,780.70 : x
  2. Step 2: Convert to fraction form
    567,892.70/851,115.45 = 301,780.70/x
  3. Step 3: Cross multiply
    567,892.70x = 851,115.45 × 301,780.70
  4. Step 4: Simplify right side
    567,892.70x = 256,850,216,281.82
  5. Step 5: Solve for x
    x = 256,850,216,281.82/567,892.70
  6. Step 6: Final answer
    x = 452,286.53

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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.