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Finding the Fourth Proportional to 427,633.52, 590,125.40 and 236,635.44

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Solution

The fourth proportional to 427,633.52, 590,125.40 and 236,635.44 is: 326,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,633.52 : 590,125.40 = 236,635.44 : x
  2. Step 2: Convert to fraction form
    427,633.52/590,125.40 = 236,635.44/x
  3. Step 3: Cross multiply
    427,633.52x = 590,125.40 × 236,635.44
  4. Step 4: Simplify right side
    427,633.52x = 139,644,583,684.18
  5. Step 5: Solve for x
    x = 139,644,583,684.18/427,633.52
  6. Step 6: Final answer
    x = 326,552.01

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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.