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Finding the Fourth Proportional to 488,382.80, 732,703.80 and 172,806.80

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Solution

The fourth proportional to 488,382.80, 732,703.80 and 172,806.80 is: 259,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,382.80 : 732,703.80 = 172,806.80 : x
  2. Step 2: Convert to fraction form
    488,382.80/732,703.80 = 172,806.80/x
  3. Step 3: Cross multiply
    488,382.80x = 732,703.80 × 172,806.80
  4. Step 4: Simplify right side
    488,382.80x = 126,616,199,025.84
  5. Step 5: Solve for x
    x = 126,616,199,025.84/488,382.80
  6. Step 6: Final answer
    x = 259,256.06

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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.