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Finding the Fourth Proportional to 349,262.88, 523,456.35 and 149,348.64

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Solution

The fourth proportional to 349,262.88, 523,456.35 and 149,348.64 is: 223,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,262.88 : 523,456.35 = 149,348.64 : x
  2. Step 2: Convert to fraction form
    349,262.88/523,456.35 = 149,348.64/x
  3. Step 3: Cross multiply
    349,262.88x = 523,456.35 × 149,348.64
  4. Step 4: Simplify right side
    349,262.88x = 78,177,493,971.86
  5. Step 5: Solve for x
    x = 78,177,493,971.86/349,262.88
  6. Step 6: Final answer
    x = 223,835.68

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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.