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Finding the Fourth Proportional to 488,985.60, 733,697.10 and 173,668.80

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Solution

The fourth proportional to 488,985.60, 733,697.10 and 173,668.80 is: 260,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,985.60 : 733,697.10 = 173,668.80 : x
  2. Step 2: Convert to fraction form
    488,985.60/733,697.10 = 173,668.80/x
  3. Step 3: Cross multiply
    488,985.60x = 733,697.10 × 173,668.80
  4. Step 4: Simplify right side
    488,985.60x = 127,420,294,920.48
  5. Step 5: Solve for x
    x = 127,420,294,920.48/488,985.60
  6. Step 6: Final answer
    x = 260,580.87

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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.