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Finding the Fourth Proportional to 587,274.67, 810,425.46 and 342,243.82

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Solution

The fourth proportional to 587,274.67, 810,425.46 and 342,243.82 is: 472,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,274.67 : 810,425.46 = 342,243.82 : x
  2. Step 2: Convert to fraction form
    587,274.67/810,425.46 = 342,243.82/x
  3. Step 3: Cross multiply
    587,274.67x = 810,425.46 × 342,243.82
  4. Step 4: Simplify right side
    587,274.67x = 277,363,105,255.66
  5. Step 5: Solve for x
    x = 277,363,105,255.66/587,274.67
  6. Step 6: Final answer
    x = 472,288.55

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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.