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Finding the Fourth Proportional to 300,977.72, 415,265.22 and 237,117.32

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Solution

The fourth proportional to 300,977.72, 415,265.22 and 237,117.32 is: 327,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,977.72 : 415,265.22 = 237,117.32 : x
  2. Step 2: Convert to fraction form
    300,977.72/415,265.22 = 237,117.32/x
  3. Step 3: Cross multiply
    300,977.72x = 415,265.22 × 237,117.32
  4. Step 4: Simplify right side
    300,977.72x = 98,466,576,055.61
  5. Step 5: Solve for x
    x = 98,466,576,055.61/300,977.72
  6. Step 6: Final answer
    x = 327,155.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.