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Finding the Fourth Proportional to 373,454.30, 560,181.45 and 136,820.90

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Solution

The fourth proportional to 373,454.30, 560,181.45 and 136,820.90 is: 205,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,454.30 : 560,181.45 = 136,820.90 : x
  2. Step 2: Convert to fraction form
    373,454.30/560,181.45 = 136,820.90/x
  3. Step 3: Cross multiply
    373,454.30x = 560,181.45 × 136,820.90
  4. Step 4: Simplify right side
    373,454.30x = 76,644,530,152.31
  5. Step 5: Solve for x
    x = 76,644,530,152.31/373,454.30
  6. Step 6: Final answer
    x = 205,231.35

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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.