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Finding the Fourth Proportional to 480,572.72, 663,238.68 and 265,729.04

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Solution

The fourth proportional to 480,572.72, 663,238.68 and 265,729.04 is: 366,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,572.72 : 663,238.68 = 265,729.04 : x
  2. Step 2: Convert to fraction form
    480,572.72/663,238.68 = 265,729.04/x
  3. Step 3: Cross multiply
    480,572.72x = 663,238.68 × 265,729.04
  4. Step 4: Simplify right side
    480,572.72x = 176,241,777,727.27
  5. Step 5: Solve for x
    x = 176,241,777,727.27/480,572.72
  6. Step 6: Final answer
    x = 366,732.80

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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.