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Finding the Fourth Proportional to 339,613.60, 508,210.80 and 295,722.40

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Solution

The fourth proportional to 339,613.60, 508,210.80 and 295,722.40 is: 442,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,613.60 : 508,210.80 = 295,722.40 : x
  2. Step 2: Convert to fraction form
    339,613.60/508,210.80 = 295,722.40/x
  3. Step 3: Cross multiply
    339,613.60x = 508,210.80 × 295,722.40
  4. Step 4: Simplify right side
    339,613.60x = 150,289,317,481.92
  5. Step 5: Solve for x
    x = 150,289,317,481.92/339,613.60
  6. Step 6: Final answer
    x = 442,530.33

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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.