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Finding the Fourth Proportional to 293,445.28, 404,956.56 and 159,309.28

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Solution

The fourth proportional to 293,445.28, 404,956.56 and 159,309.28 is: 219,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,445.28 : 404,956.56 = 159,309.28 : x
  2. Step 2: Convert to fraction form
    293,445.28/404,956.56 = 159,309.28/x
  3. Step 3: Cross multiply
    293,445.28x = 404,956.56 × 159,309.28
  4. Step 4: Simplify right side
    293,445.28x = 64,513,338,004.88
  5. Step 5: Solve for x
    x = 64,513,338,004.88/293,445.28
  6. Step 6: Final answer
    x = 219,847.93

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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.