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Finding the Fourth Proportional to 303,092.60, 454,595.70 and 103,422.20

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Solution

The fourth proportional to 303,092.60, 454,595.70 and 103,422.20 is: 155,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,092.60 : 454,595.70 = 103,422.20 : x
  2. Step 2: Convert to fraction form
    303,092.60/454,595.70 = 103,422.20/x
  3. Step 3: Cross multiply
    303,092.60x = 454,595.70 × 103,422.20
  4. Step 4: Simplify right side
    303,092.60x = 47,015,287,404.54
  5. Step 5: Solve for x
    x = 47,015,287,404.54/303,092.60
  6. Step 6: Final answer
    x = 155,118.56

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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.