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Finding the Fourth Proportional to 488,462.80, 732,823.80 and 172,886.80

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Solution

The fourth proportional to 488,462.80, 732,823.80 and 172,886.80 is: 259,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,462.80 : 732,823.80 = 172,886.80 : x
  2. Step 2: Convert to fraction form
    488,462.80/732,823.80 = 172,886.80/x
  3. Step 3: Cross multiply
    488,462.80x = 732,823.80 × 172,886.80
  4. Step 4: Simplify right side
    488,462.80x = 126,695,561,745.84
  5. Step 5: Solve for x
    x = 126,695,561,745.84/488,462.80
  6. Step 6: Final answer
    x = 259,376.07

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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.