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Finding the Fourth Proportional to 480,418.52, 662,977.71 and 265,558.55

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Solution

The fourth proportional to 480,418.52, 662,977.71 and 265,558.55 is: 366,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,418.52 : 662,977.71 = 265,558.55 : x
  2. Step 2: Convert to fraction form
    480,418.52/662,977.71 = 265,558.55/x
  3. Step 3: Cross multiply
    480,418.52x = 662,977.71 × 265,558.55
  4. Step 4: Simplify right side
    480,418.52x = 176,059,396,035.03
  5. Step 5: Solve for x
    x = 176,059,396,035.03/480,418.52
  6. Step 6: Final answer
    x = 366,470.88

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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.