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Finding the Fourth Proportional to 351,350.20, 527,025.30 and 193,497.40

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Solution

The fourth proportional to 351,350.20, 527,025.30 and 193,497.40 is: 290,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,350.20 : 527,025.30 = 193,497.40 : x
  2. Step 2: Convert to fraction form
    351,350.20/527,025.30 = 193,497.40/x
  3. Step 3: Cross multiply
    351,350.20x = 527,025.30 × 193,497.40
  4. Step 4: Simplify right side
    351,350.20x = 101,978,025,284.22
  5. Step 5: Solve for x
    x = 101,978,025,284.22/351,350.20
  6. Step 6: Final answer
    x = 290,246.10

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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.