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Finding the Fourth Proportional to 343,960.29, 515,704.93 and 175,153.86

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Solution

The fourth proportional to 343,960.29, 515,704.93 and 175,153.86 is: 262,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,960.29 : 515,704.93 = 175,153.86 : x
  2. Step 2: Convert to fraction form
    343,960.29/515,704.93 = 175,153.86/x
  3. Step 3: Cross multiply
    343,960.29x = 515,704.93 × 175,153.86
  4. Step 4: Simplify right side
    343,960.29x = 90,327,708,672.65
  5. Step 5: Solve for x
    x = 90,327,708,672.65/343,960.29
  6. Step 6: Final answer
    x = 262,610.86

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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.