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Finding the Fourth Proportional to 254,672.70, 382,008.64 and 67,684.20

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Solution

The fourth proportional to 254,672.70, 382,008.64 and 67,684.20 is: 101,526.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,672.70 : 382,008.64 = 67,684.20 : x
  2. Step 2: Convert to fraction form
    254,672.70/382,008.64 = 67,684.20/x
  3. Step 3: Cross multiply
    254,672.70x = 382,008.64 × 67,684.20
  4. Step 4: Simplify right side
    254,672.70x = 25,855,949,191.49
  5. Step 5: Solve for x
    x = 25,855,949,191.49/254,672.70
  6. Step 6: Final answer
    x = 101,526.19

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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.