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Finding the Fourth Proportional to 497,879.60, 746,722.20 and 165,455.60

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Solution

The fourth proportional to 497,879.60, 746,722.20 and 165,455.60 is: 248,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,879.60 : 746,722.20 = 165,455.60 : x
  2. Step 2: Convert to fraction form
    497,879.60/746,722.20 = 165,455.60/x
  3. Step 3: Cross multiply
    497,879.60x = 746,722.20 × 165,455.60
  4. Step 4: Simplify right side
    497,879.60x = 123,549,369,634.32
  5. Step 5: Solve for x
    x = 123,549,369,634.32/497,879.60
  6. Step 6: Final answer
    x = 248,151.10

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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.