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Finding the Fourth Proportional to 488,673.10, 732,750.45 and 173,140.30

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Solution

The fourth proportional to 488,673.10, 732,750.45 and 173,140.30 is: 259,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,673.10 : 732,750.45 = 173,140.30 : x
  2. Step 2: Convert to fraction form
    488,673.10/732,750.45 = 173,140.30/x
  3. Step 3: Cross multiply
    488,673.10x = 732,750.45 × 173,140.30
  4. Step 4: Simplify right side
    488,673.10x = 126,868,632,738.14
  5. Step 5: Solve for x
    x = 126,868,632,738.14/488,673.10
  6. Step 6: Final answer
    x = 259,618.61

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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.