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Finding the Fourth Proportional to 480,724.94, 663,396.17 and 265,860.38

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Solution

The fourth proportional to 480,724.94, 663,396.17 and 265,860.38 is: 366,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,724.94 : 663,396.17 = 265,860.38 : x
  2. Step 2: Convert to fraction form
    480,724.94/663,396.17 = 265,860.38/x
  3. Step 3: Cross multiply
    480,724.94x = 663,396.17 × 265,860.38
  4. Step 4: Simplify right side
    480,724.94x = 176,370,753,200.46
  5. Step 5: Solve for x
    x = 176,370,753,200.46/480,724.94
  6. Step 6: Final answer
    x = 366,884.97

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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.