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Finding the Fourth Proportional to 480,522.55, 663,134.96 and 265,676.48

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Solution

The fourth proportional to 480,522.55, 663,134.96 and 265,676.48 is: 366,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,522.55 : 663,134.96 = 265,676.48 : x
  2. Step 2: Convert to fraction form
    480,522.55/663,134.96 = 265,676.48/x
  3. Step 3: Cross multiply
    480,522.55x = 663,134.96 × 265,676.48
  4. Step 4: Simplify right side
    480,522.55x = 176,179,360,609.36
  5. Step 5: Solve for x
    x = 176,179,360,609.36/480,522.55
  6. Step 6: Final answer
    x = 366,641.20

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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.