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Finding the Fourth Proportional to 355,462.86, 532,721.22 and 175,273.22

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Solution

The fourth proportional to 355,462.86, 532,721.22 and 175,273.22 is: 262,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,462.86 : 532,721.22 = 175,273.22 : x
  2. Step 2: Convert to fraction form
    355,462.86/532,721.22 = 175,273.22/x
  3. Step 3: Cross multiply
    355,462.86x = 532,721.22 × 175,273.22
  4. Step 4: Simplify right side
    355,462.86x = 93,371,763,591.73
  5. Step 5: Solve for x
    x = 93,371,763,591.73/355,462.86
  6. Step 6: Final answer
    x = 262,676.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.