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Finding the Fourth Proportional to 254,677.60, 382,189.20 and 165,714.40

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Solution

The fourth proportional to 254,677.60, 382,189.20 and 165,714.40 is: 248,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,677.60 : 382,189.20 = 165,714.40 : x
  2. Step 2: Convert to fraction form
    254,677.60/382,189.20 = 165,714.40/x
  3. Step 3: Cross multiply
    254,677.60x = 382,189.20 × 165,714.40
  4. Step 4: Simplify right side
    254,677.60x = 63,334,253,964.48
  5. Step 5: Solve for x
    x = 63,334,253,964.48/254,677.60
  6. Step 6: Final answer
    x = 248,684.04

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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.