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Finding the Fourth Proportional to 363,478.96, 501,615.66 and 202,323.76

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Solution

The fourth proportional to 363,478.96, 501,615.66 and 202,323.76 is: 279,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,478.96 : 501,615.66 = 202,323.76 : x
  2. Step 2: Convert to fraction form
    363,478.96/501,615.66 = 202,323.76/x
  3. Step 3: Cross multiply
    363,478.96x = 501,615.66 × 202,323.76
  4. Step 4: Simplify right side
    363,478.96x = 101,488,766,406.08
  5. Step 5: Solve for x
    x = 101,488,766,406.08/363,478.96
  6. Step 6: Final answer
    x = 279,214.97

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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.