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Finding the Fourth Proportional to 363,295.80, 501,367.86 and 202,154.31

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Solution

The fourth proportional to 363,295.80, 501,367.86 and 202,154.31 is: 278,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,295.80 : 501,367.86 = 202,154.31 : x
  2. Step 2: Convert to fraction form
    363,295.80/501,367.86 = 202,154.31/x
  3. Step 3: Cross multiply
    363,295.80x = 501,367.86 × 202,154.31
  4. Step 4: Simplify right side
    363,295.80x = 101,353,673,794.48
  5. Step 5: Solve for x
    x = 101,353,673,794.48/363,295.80
  6. Step 6: Final answer
    x = 278,983.89

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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.