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Finding the Fourth Proportional to 373,323.60, 560,204.10 and 136,690.20

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Solution

The fourth proportional to 373,323.60, 560,204.10 and 136,690.20 is: 205,115.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,323.60 : 560,204.10 = 136,690.20 : x
  2. Step 2: Convert to fraction form
    373,323.60/560,204.10 = 136,690.20/x
  3. Step 3: Cross multiply
    373,323.60x = 560,204.10 × 136,690.20
  4. Step 4: Simplify right side
    373,323.60x = 76,574,410,469.82
  5. Step 5: Solve for x
    x = 76,574,410,469.82/373,323.60
  6. Step 6: Final answer
    x = 205,115.38

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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.