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Finding the Fourth Proportional to 479,859.72, 662,216.76 and 265,013.52

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Solution

The fourth proportional to 479,859.72, 662,216.76 and 265,013.52 is: 365,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,859.72 : 662,216.76 = 265,013.52 : x
  2. Step 2: Convert to fraction form
    479,859.72/662,216.76 = 265,013.52/x
  3. Step 3: Cross multiply
    479,859.72x = 662,216.76 × 265,013.52
  4. Step 4: Simplify right side
    479,859.72x = 175,496,394,570.60
  5. Step 5: Solve for x
    x = 175,496,394,570.60/479,859.72
  6. Step 6: Final answer
    x = 365,724.37

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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.