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Finding the Fourth Proportional to 480,481.43, 663,013.64 and 265,586.81

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Solution

The fourth proportional to 480,481.43, 663,013.64 and 265,586.81 is: 366,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,481.43 : 663,013.64 = 265,586.81 : x
  2. Step 2: Convert to fraction form
    480,481.43/663,013.64 = 265,586.81/x
  3. Step 3: Cross multiply
    480,481.43x = 663,013.64 × 265,586.81
  4. Step 4: Simplify right side
    480,481.43x = 176,087,676,306.15
  5. Step 5: Solve for x
    x = 176,087,676,306.15/480,481.43
  6. Step 6: Final answer
    x = 366,481.75

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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.