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Finding the Fourth Proportional to 567,901.20, 851,128.20 and 301,789.20

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Solution

The fourth proportional to 567,901.20, 851,128.20 and 301,789.20 is: 452,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,901.20 : 851,128.20 = 301,789.20 : x
  2. Step 2: Convert to fraction form
    567,901.20/851,128.20 = 301,789.20/x
  3. Step 3: Cross multiply
    567,901.20x = 851,128.20 × 301,789.20
  4. Step 4: Simplify right side
    567,901.20x = 256,861,298,575.44
  5. Step 5: Solve for x
    x = 256,861,298,575.44/567,901.20
  6. Step 6: Final answer
    x = 452,299.27

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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.