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Finding the Fourth Proportional to 306,844.90, 460,742.55 and 166,876.90

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Solution

The fourth proportional to 306,844.90, 460,742.55 and 166,876.90 is: 250,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,844.90 : 460,742.55 = 166,876.90 : x
  2. Step 2: Convert to fraction form
    306,844.90/460,742.55 = 166,876.90/x
  3. Step 3: Cross multiply
    306,844.90x = 460,742.55 × 166,876.90
  4. Step 4: Simplify right side
    306,844.90x = 76,887,288,442.10
  5. Step 5: Solve for x
    x = 76,887,288,442.10/306,844.90
  6. Step 6: Final answer
    x = 250,573.79

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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.