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Finding the Fourth Proportional to 488,616.10, 732,664.95 and 173,083.30

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Solution

The fourth proportional to 488,616.10, 732,664.95 and 173,083.30 is: 259,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,616.10 : 732,664.95 = 173,083.30 : x
  2. Step 2: Convert to fraction form
    488,616.10/732,664.95 = 173,083.30/x
  3. Step 3: Cross multiply
    488,616.10x = 732,664.95 × 173,083.30
  4. Step 4: Simplify right side
    488,616.10x = 126,812,067,340.34
  5. Step 5: Solve for x
    x = 126,812,067,340.34/488,616.10
  6. Step 6: Final answer
    x = 259,533.13

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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.