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Finding the Fourth Proportional to 347,535.65, 521,202.83 and 104,366.92

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Solution

The fourth proportional to 347,535.65, 521,202.83 and 104,366.92 is: 156,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,535.65 : 521,202.83 = 104,366.92 : x
  2. Step 2: Convert to fraction form
    347,535.65/521,202.83 = 104,366.92/x
  3. Step 3: Cross multiply
    347,535.65x = 521,202.83 × 104,366.92
  4. Step 4: Simplify right side
    347,535.65x = 54,396,333,540.55
  5. Step 5: Solve for x
    x = 54,396,333,540.55/347,535.65
  6. Step 6: Final answer
    x = 156,520.15

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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.