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Finding the Fourth Proportional to 293,562.31, 440,428.82 and 122,864.57

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Solution

The fourth proportional to 293,562.31, 440,428.82 and 122,864.57 is: 184,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,562.31 : 440,428.82 = 122,864.57 : x
  2. Step 2: Convert to fraction form
    293,562.31/440,428.82 = 122,864.57/x
  3. Step 3: Cross multiply
    293,562.31x = 440,428.82 × 122,864.57
  4. Step 4: Simplify right side
    293,562.31x = 54,113,097,584.91
  5. Step 5: Solve for x
    x = 54,113,097,584.91/293,562.31
  6. Step 6: Final answer
    x = 184,332.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.