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Finding the Fourth Proportional to 480,559.14, 663,144.84 and 265,686.66

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Solution

The fourth proportional to 480,559.14, 663,144.84 and 265,686.66 is: 366,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,559.14 : 663,144.84 = 265,686.66 : x
  2. Step 2: Convert to fraction form
    480,559.14/663,144.84 = 265,686.66/x
  3. Step 3: Cross multiply
    480,559.14x = 663,144.84 × 265,686.66
  4. Step 4: Simplify right side
    480,559.14x = 176,188,737,635.83
  5. Step 5: Solve for x
    x = 176,188,737,635.83/480,559.14
  6. Step 6: Final answer
    x = 366,632.79

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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.