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Finding the Fourth Proportional to 650,659.20, 976,148.80 and 224,201.60

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Solution

The fourth proportional to 650,659.20, 976,148.80 and 224,201.60 is: 336,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,659.20 : 976,148.80 = 224,201.60 : x
  2. Step 2: Convert to fraction form
    650,659.20/976,148.80 = 224,201.60/x
  3. Step 3: Cross multiply
    650,659.20x = 976,148.80 × 224,201.60
  4. Step 4: Simplify right side
    650,659.20x = 218,854,122,798.08
  5. Step 5: Solve for x
    x = 218,854,122,798.08/650,659.20
  6. Step 6: Final answer
    x = 336,357.53

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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.