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Finding the Fourth Proportional to 480,524.67, 663,065.60 and 265,634.91

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Solution

The fourth proportional to 480,524.67, 663,065.60 and 265,634.91 is: 366,543.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,524.67 : 663,065.60 = 265,634.91 : x
  2. Step 2: Convert to fraction form
    480,524.67/663,065.60 = 265,634.91/x
  3. Step 3: Cross multiply
    480,524.67x = 663,065.60 × 265,634.91
  4. Step 4: Simplify right side
    480,524.67x = 176,133,369,651.92
  5. Step 5: Solve for x
    x = 176,133,369,651.92/480,524.67
  6. Step 6: Final answer
    x = 366,543.86

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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.