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Finding the Fourth Proportional to 418,542.62, 577,576.73 and 237,271.30

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Solution

The fourth proportional to 418,542.62, 577,576.73 and 237,271.30 is: 327,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,542.62 : 577,576.73 = 237,271.30 : x
  2. Step 2: Convert to fraction form
    418,542.62/577,576.73 = 237,271.30/x
  3. Step 3: Cross multiply
    418,542.62x = 577,576.73 × 237,271.30
  4. Step 4: Simplify right side
    418,542.62x = 137,042,380,726.09
  5. Step 5: Solve for x
    x = 137,042,380,726.09/418,542.62
  6. Step 6: Final answer
    x = 327,427.54

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1.5x scale

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.