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Finding the Fourth Proportional to 480,520.68, 663,166.88 and 265,677.04

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Solution

The fourth proportional to 480,520.68, 663,166.88 and 265,677.04 is: 366,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,520.68 : 663,166.88 = 265,677.04 : x
  2. Step 2: Convert to fraction form
    480,520.68/663,166.88 = 265,677.04/x
  3. Step 3: Cross multiply
    480,520.68x = 663,166.88 × 265,677.04
  4. Step 4: Simplify right side
    480,520.68x = 176,188,213,704.44
  5. Step 5: Solve for x
    x = 176,188,213,704.44/480,520.68
  6. Step 6: Final answer
    x = 366,661.04

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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.