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Finding the Fourth Proportional to 480,522.30, 663,134.61 and 265,676.23

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Solution

The fourth proportional to 480,522.30, 663,134.61 and 265,676.23 is: 366,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,522.30 : 663,134.61 = 265,676.23 : x
  2. Step 2: Convert to fraction form
    480,522.30/663,134.61 = 265,676.23/x
  3. Step 3: Cross multiply
    480,522.30x = 663,134.61 × 265,676.23
  4. Step 4: Simplify right side
    480,522.30x = 176,179,103,167.32
  5. Step 5: Solve for x
    x = 176,179,103,167.32/480,522.30
  6. Step 6: Final answer
    x = 366,640.85

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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.