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Finding the Fourth Proportional to 657,951.30, 984,958.65 and 579,219.30

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Solution

The fourth proportional to 657,951.30, 984,958.65 and 579,219.30 is: 867,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,951.30 : 984,958.65 = 579,219.30 : x
  2. Step 2: Convert to fraction form
    657,951.30/984,958.65 = 579,219.30/x
  3. Step 3: Cross multiply
    657,951.30x = 984,958.65 × 579,219.30
  4. Step 4: Simplify right side
    657,951.30x = 570,507,059,781.95
  5. Step 5: Solve for x
    x = 570,507,059,781.95/657,951.30
  6. Step 6: Final answer
    x = 867,096.18

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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.