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Finding the Fourth Proportional to 397,538.66, 594,803.25 and 235,519.72

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Solution

The fourth proportional to 397,538.66, 594,803.25 and 235,519.72 is: 352,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,538.66 : 594,803.25 = 235,519.72 : x
  2. Step 2: Convert to fraction form
    397,538.66/594,803.25 = 235,519.72/x
  3. Step 3: Cross multiply
    397,538.66x = 594,803.25 × 235,519.72
  4. Step 4: Simplify right side
    397,538.66x = 140,087,893,408.08
  5. Step 5: Solve for x
    x = 140,087,893,408.08/397,538.66
  6. Step 6: Final answer
    x = 352,388.10

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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.