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Finding the Fourth Proportional to 303,600.20, 455,675.70 and 153,944.60

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Solution

The fourth proportional to 303,600.20, 455,675.70 and 153,944.60 is: 231,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,600.20 : 455,675.70 = 153,944.60 : x
  2. Step 2: Convert to fraction form
    303,600.20/455,675.70 = 153,944.60/x
  3. Step 3: Cross multiply
    303,600.20x = 455,675.70 × 153,944.60
  4. Step 4: Simplify right side
    303,600.20x = 70,148,813,366.22
  5. Step 5: Solve for x
    x = 70,148,813,366.22/303,600.20
  6. Step 6: Final answer
    x = 231,056.55

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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.