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Finding the Fourth Proportional to 254,865.70, 382,298.55 and 170,884.90

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Solution

The fourth proportional to 254,865.70, 382,298.55 and 170,884.90 is: 256,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,865.70 : 382,298.55 = 170,884.90 : x
  2. Step 2: Convert to fraction form
    254,865.70/382,298.55 = 170,884.90/x
  3. Step 3: Cross multiply
    254,865.70x = 382,298.55 × 170,884.90
  4. Step 4: Simplify right side
    254,865.70x = 65,329,049,486.90
  5. Step 5: Solve for x
    x = 65,329,049,486.90/254,865.70
  6. Step 6: Final answer
    x = 256,327.35

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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.