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Finding the Fourth Proportional to 5,294,613.50, 7,945,279.32 and 2,262,002.20

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Solution

The fourth proportional to 5,294,613.50, 7,945,279.32 and 2,262,002.20 is: 3,394,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294,613.50 : 7,945,279.32 = 2,262,002.20 : x
  2. Step 2: Convert to fraction form
    5,294,613.50/7,945,279.32 = 2,262,002.20/x
  3. Step 3: Cross multiply
    5,294,613.50x = 7,945,279.32 × 2,262,002.20
  4. Step 4: Simplify right side
    5,294,613.50x = 17,972,239,301,454.51
  5. Step 5: Solve for x
    x = 17,972,239,301,454.51/5,294,613.50
  6. Step 6: Final answer
    x = 3,394,438.39

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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.