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Finding the Fourth Proportional to 488,980.60, 733,689.60 and 173,663.80

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Solution

The fourth proportional to 488,980.60, 733,689.60 and 173,663.80 is: 260,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,980.60 : 733,689.60 = 173,663.80 : x
  2. Step 2: Convert to fraction form
    488,980.60/733,689.60 = 173,663.80/x
  3. Step 3: Cross multiply
    488,980.60x = 733,689.60 × 173,663.80
  4. Step 4: Simplify right side
    488,980.60x = 127,415,323,956.48
  5. Step 5: Solve for x
    x = 127,415,323,956.48/488,980.60
  6. Step 6: Final answer
    x = 260,573.37

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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.