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Finding the Fourth Proportional to 329,181.76, 454,280.16 and 185,947.84

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Solution

The fourth proportional to 329,181.76, 454,280.16 and 185,947.84 is: 256,613.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,181.76 : 454,280.16 = 185,947.84 : x
  2. Step 2: Convert to fraction form
    329,181.76/454,280.16 = 185,947.84/x
  3. Step 3: Cross multiply
    329,181.76x = 454,280.16 × 185,947.84
  4. Step 4: Simplify right side
    329,181.76x = 84,472,414,506.85
  5. Step 5: Solve for x
    x = 84,472,414,506.85/329,181.76
  6. Step 6: Final answer
    x = 256,613.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.