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Finding the Fourth Proportional to 337,685.20, 506,527.80 and 197,371.60

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Solution

The fourth proportional to 337,685.20, 506,527.80 and 197,371.60 is: 296,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,685.20 : 506,527.80 = 197,371.60 : x
  2. Step 2: Convert to fraction form
    337,685.20/506,527.80 = 197,371.60/x
  3. Step 3: Cross multiply
    337,685.20x = 506,527.80 × 197,371.60
  4. Step 4: Simplify right side
    337,685.20x = 99,974,202,330.48
  5. Step 5: Solve for x
    x = 99,974,202,330.48/337,685.20
  6. Step 6: Final answer
    x = 296,057.40

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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.