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Finding the Fourth Proportional to 254,682.10, 382,195.95 and 165,718.90

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Solution

The fourth proportional to 254,682.10, 382,195.95 and 165,718.90 is: 248,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,682.10 : 382,195.95 = 165,718.90 : x
  2. Step 2: Convert to fraction form
    254,682.10/382,195.95 = 165,718.90/x
  3. Step 3: Cross multiply
    254,682.10x = 382,195.95 × 165,718.90
  4. Step 4: Simplify right side
    254,682.10x = 63,337,092,418.46
  5. Step 5: Solve for x
    x = 63,337,092,418.46/254,682.10
  6. Step 6: Final answer
    x = 248,690.79

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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.