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Finding the Fourth Proportional to 322,613.60, 484,017.60 and 229,301.60

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Solution

The fourth proportional to 322,613.60, 484,017.60 and 229,301.60 is: 344,021.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,613.60 : 484,017.60 = 229,301.60 : x
  2. Step 2: Convert to fraction form
    322,613.60/484,017.60 = 229,301.60/x
  3. Step 3: Cross multiply
    322,613.60x = 484,017.60 × 229,301.60
  4. Step 4: Simplify right side
    322,613.60x = 110,986,010,108.16
  5. Step 5: Solve for x
    x = 110,986,010,108.16/322,613.60
  6. Step 6: Final answer
    x = 344,021.49

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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.