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Finding the Fourth Proportional to 342,947.36, 515,209.44 and 241,977.80

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Solution

The fourth proportional to 342,947.36, 515,209.44 and 241,977.80 is: 363,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,947.36 : 515,209.44 = 241,977.80 : x
  2. Step 2: Convert to fraction form
    342,947.36/515,209.44 = 241,977.80/x
  3. Step 3: Cross multiply
    342,947.36x = 515,209.44 × 241,977.80
  4. Step 4: Simplify right side
    342,947.36x = 124,669,246,830.43
  5. Step 5: Solve for x
    x = 124,669,246,830.43/342,947.36
  6. Step 6: Final answer
    x = 363,522.98

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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.