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Finding the Fourth Proportional to 245,366.40, 368,049.60 and 145,833.60

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Solution

The fourth proportional to 245,366.40, 368,049.60 and 145,833.60 is: 218,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,366.40 : 368,049.60 = 145,833.60 : x
  2. Step 2: Convert to fraction form
    245,366.40/368,049.60 = 145,833.60/x
  3. Step 3: Cross multiply
    245,366.40x = 368,049.60 × 145,833.60
  4. Step 4: Simplify right side
    245,366.40x = 53,673,998,146.56
  5. Step 5: Solve for x
    x = 53,673,998,146.56/245,366.40
  6. Step 6: Final answer
    x = 218,750.40

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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.