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Finding the Fourth Proportional to 293,585.28, 405,149.76 and 159,449.28

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Solution

The fourth proportional to 293,585.28, 405,149.76 and 159,449.28 is: 220,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,585.28 : 405,149.76 = 159,449.28 : x
  2. Step 2: Convert to fraction form
    293,585.28/405,149.76 = 159,449.28/x
  3. Step 3: Cross multiply
    293,585.28x = 405,149.76 × 159,449.28
  4. Step 4: Simplify right side
    293,585.28x = 64,600,837,524.17
  5. Step 5: Solve for x
    x = 64,600,837,524.17/293,585.28
  6. Step 6: Final answer
    x = 220,041.13

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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.