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Finding the Fourth Proportional to 348,469.04, 522,654.36 and 111,780.96

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Solution

The fourth proportional to 348,469.04, 522,654.36 and 111,780.96 is: 167,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,469.04 : 522,654.36 = 111,780.96 : x
  2. Step 2: Convert to fraction form
    348,469.04/522,654.36 = 111,780.96/x
  3. Step 3: Cross multiply
    348,469.04x = 522,654.36 × 111,780.96
  4. Step 4: Simplify right side
    348,469.04x = 58,422,806,108.99
  5. Step 5: Solve for x
    x = 58,422,806,108.99/348,469.04
  6. Step 6: Final answer
    x = 167,655.66

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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.