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Finding the Fourth Proportional to 363,289.75, 501,339.85 and 202,155.17

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Solution

The fourth proportional to 363,289.75, 501,339.85 and 202,155.17 is: 278,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,289.75 : 501,339.85 = 202,155.17 : x
  2. Step 2: Convert to fraction form
    363,289.75/501,339.85 = 202,155.17/x
  3. Step 3: Cross multiply
    363,289.75x = 501,339.85 × 202,155.17
  4. Step 4: Simplify right side
    363,289.75x = 101,348,444,601.41
  5. Step 5: Solve for x
    x = 101,348,444,601.41/363,289.75
  6. Step 6: Final answer
    x = 278,974.14

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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.