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Finding the Fourth Proportional to 254,912.60, 382,023.30 and 170,432.60

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Solution

The fourth proportional to 254,912.60, 382,023.30 and 170,432.60 is: 255,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,912.60 : 382,023.30 = 170,432.60 : x
  2. Step 2: Convert to fraction form
    254,912.60/382,023.30 = 170,432.60/x
  3. Step 3: Cross multiply
    254,912.60x = 382,023.30 × 170,432.60
  4. Step 4: Simplify right side
    254,912.60x = 65,109,224,279.58
  5. Step 5: Solve for x
    x = 65,109,224,279.58/254,912.60
  6. Step 6: Final answer
    x = 255,417.83

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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.