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Finding the Fourth Proportional to 617,058.15, 925,655.27 and 196,235.61

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Solution

The fourth proportional to 617,058.15, 925,655.27 and 196,235.61 is: 294,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,058.15 : 925,655.27 = 196,235.61 : x
  2. Step 2: Convert to fraction form
    617,058.15/925,655.27 = 196,235.61/x
  3. Step 3: Cross multiply
    617,058.15x = 925,655.27 × 196,235.61
  4. Step 4: Simplify right side
    617,058.15x = 181,646,525,576.99
  5. Step 5: Solve for x
    x = 181,646,525,576.99/617,058.15
  6. Step 6: Final answer
    x = 294,375.05

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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.