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Finding the Fourth Proportional to 365,842.20, 548,763.30 and 155,452.80

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Solution

The fourth proportional to 365,842.20, 548,763.30 and 155,452.80 is: 233,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,842.20 : 548,763.30 = 155,452.80 : x
  2. Step 2: Convert to fraction form
    365,842.20/548,763.30 = 155,452.80/x
  3. Step 3: Cross multiply
    365,842.20x = 548,763.30 × 155,452.80
  4. Step 4: Simplify right side
    365,842.20x = 85,306,791,522.24
  5. Step 5: Solve for x
    x = 85,306,791,522.24/365,842.20
  6. Step 6: Final answer
    x = 233,179.20

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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.