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Finding the Fourth Proportional to 658,191.20, 987,181.20 and 237,250.40

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Solution

The fourth proportional to 658,191.20, 987,181.20 and 237,250.40 is: 355,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,191.20 : 987,181.20 = 237,250.40 : x
  2. Step 2: Convert to fraction form
    658,191.20/987,181.20 = 237,250.40/x
  3. Step 3: Cross multiply
    658,191.20x = 987,181.20 × 237,250.40
  4. Step 4: Simplify right side
    658,191.20x = 234,209,134,572.48
  5. Step 5: Solve for x
    x = 234,209,134,572.48/658,191.20
  6. Step 6: Final answer
    x = 355,837.54

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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.