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Finding the Fourth Proportional to 349,481.44, 524,249.52 and 124,890.40

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Solution

The fourth proportional to 349,481.44, 524,249.52 and 124,890.40 is: 187,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,481.44 : 524,249.52 = 124,890.40 : x
  2. Step 2: Convert to fraction form
    349,481.44/524,249.52 = 124,890.40/x
  3. Step 3: Cross multiply
    349,481.44x = 524,249.52 × 124,890.40
  4. Step 4: Simplify right side
    349,481.44x = 65,473,732,252.61
  5. Step 5: Solve for x
    x = 65,473,732,252.61/349,481.44
  6. Step 6: Final answer
    x = 187,345.38

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1.5x scale

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.