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Finding the Fourth Proportional to 287,340.50, 396,325.95 and 244,020.89

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Solution

The fourth proportional to 287,340.50, 396,325.95 and 244,020.89 is: 336,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,340.50 : 396,325.95 = 244,020.89 : x
  2. Step 2: Convert to fraction form
    287,340.50/396,325.95 = 244,020.89/x
  3. Step 3: Cross multiply
    287,340.50x = 396,325.95 × 244,020.89
  4. Step 4: Simplify right side
    287,340.50x = 96,711,809,067.47
  5. Step 5: Solve for x
    x = 96,711,809,067.47/287,340.50
  6. Step 6: Final answer
    x = 336,575.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.