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Finding the Fourth Proportional to 427,656.37, 590,184.31 and 236,669.82

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Solution

The fourth proportional to 427,656.37, 590,184.31 and 236,669.82 is: 326,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,656.37 : 590,184.31 = 236,669.82 : x
  2. Step 2: Convert to fraction form
    427,656.37/590,184.31 = 236,669.82/x
  3. Step 3: Cross multiply
    427,656.37x = 590,184.31 × 236,669.82
  4. Step 4: Simplify right side
    427,656.37x = 139,678,814,414.52
  5. Step 5: Solve for x
    x = 139,678,814,414.52/427,656.37
  6. Step 6: Final answer
    x = 326,614.60

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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.