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Finding the Fourth Proportional to 488,608.60, 732,912.90 and 173,097.40

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Solution

The fourth proportional to 488,608.60, 732,912.90 and 173,097.40 is: 259,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,608.60 : 732,912.90 = 173,097.40 : x
  2. Step 2: Convert to fraction form
    488,608.60/732,912.90 = 173,097.40/x
  3. Step 3: Cross multiply
    488,608.60x = 732,912.90 × 173,097.40
  4. Step 4: Simplify right side
    488,608.60x = 126,865,317,416.46
  5. Step 5: Solve for x
    x = 126,865,317,416.46/488,608.60
  6. Step 6: Final answer
    x = 259,646.10

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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.