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Finding the Fourth Proportional to 291,767.04, 402,539.76 and 237,958.56

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Solution

The fourth proportional to 291,767.04, 402,539.76 and 237,958.56 is: 328,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,767.04 : 402,539.76 = 237,958.56 : x
  2. Step 2: Convert to fraction form
    291,767.04/402,539.76 = 237,958.56/x
  3. Step 3: Cross multiply
    291,767.04x = 402,539.76 × 237,958.56
  4. Step 4: Simplify right side
    291,767.04x = 95,787,781,632.35
  5. Step 5: Solve for x
    x = 95,787,781,632.35/291,767.04
  6. Step 6: Final answer
    x = 328,302.27

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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.