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Finding the Fourth Proportional to 335,280.71, 462,691.91 and 192,040.61

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Solution

The fourth proportional to 335,280.71, 462,691.91 and 192,040.61 is: 265,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,280.71 : 462,691.91 = 192,040.61 : x
  2. Step 2: Convert to fraction form
    335,280.71/462,691.91 = 192,040.61/x
  3. Step 3: Cross multiply
    335,280.71x = 462,691.91 × 192,040.61
  4. Step 4: Simplify right side
    335,280.71x = 88,855,636,638.47
  5. Step 5: Solve for x
    x = 88,855,636,638.47/335,280.71
  6. Step 6: Final answer
    x = 265,018.64

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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.