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Finding the Fourth Proportional to 567,489.20, 850,801.80 and 287,207.60

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Solution

The fourth proportional to 567,489.20, 850,801.80 and 287,207.60 is: 430,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,489.20 : 850,801.80 = 287,207.60 : x
  2. Step 2: Convert to fraction form
    567,489.20/850,801.80 = 287,207.60/x
  3. Step 3: Cross multiply
    567,489.20x = 850,801.80 × 287,207.60
  4. Step 4: Simplify right side
    567,489.20x = 244,356,743,053.68
  5. Step 5: Solve for x
    x = 244,356,743,053.68/567,489.20
  6. Step 6: Final answer
    x = 430,592.76

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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.