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Finding the Fourth Proportional to 598,928.80, 898,393.20 and 575,309.20

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Solution

The fourth proportional to 598,928.80, 898,393.20 and 575,309.20 is: 862,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,928.80 : 898,393.20 = 575,309.20 : x
  2. Step 2: Convert to fraction form
    598,928.80/898,393.20 = 575,309.20/x
  3. Step 3: Cross multiply
    598,928.80x = 898,393.20 × 575,309.20
  4. Step 4: Simplify right side
    598,928.80x = 516,853,873,177.44
  5. Step 5: Solve for x
    x = 516,853,873,177.44/598,928.80
  6. Step 6: Final answer
    x = 862,963.80

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Double scale
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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.