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Finding the Fourth Proportional to 348,380.20, 522,959.10 and 325,538.20

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Solution

The fourth proportional to 348,380.20, 522,959.10 and 325,538.20 is: 488,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,380.20 : 522,959.10 = 325,538.20 : x
  2. Step 2: Convert to fraction form
    348,380.20/522,959.10 = 325,538.20/x
  3. Step 3: Cross multiply
    348,380.20x = 522,959.10 × 325,538.20
  4. Step 4: Simplify right side
    348,380.20x = 170,243,164,087.62
  5. Step 5: Solve for x
    x = 170,243,164,087.62/348,380.20
  6. Step 6: Final answer
    x = 488,670.61

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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.