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Finding the Fourth Proportional to 254,591.20, 382,294.80 and 202,434.40

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Solution

The fourth proportional to 254,591.20, 382,294.80 and 202,434.40 is: 303,976.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,591.20 : 382,294.80 = 202,434.40 : x
  2. Step 2: Convert to fraction form
    254,591.20/382,294.80 = 202,434.40/x
  3. Step 3: Cross multiply
    254,591.20x = 382,294.80 × 202,434.40
  4. Step 4: Simplify right side
    254,591.20x = 77,389,618,461.12
  5. Step 5: Solve for x
    x = 77,389,618,461.12/254,591.20
  6. Step 6: Final answer
    x = 303,976.02

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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.