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Finding the Fourth Proportional to 427,251, 589,596.66 and 236,265.96

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Solution

The fourth proportional to 427,251, 589,596.66 and 236,265.96 is: 326,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,251 : 589,596.66 = 236,265.96 : x
  2. Step 2: Convert to fraction form
    427,251/589,596.66 = 236,265.96/x
  3. Step 3: Cross multiply
    427,251x = 589,596.66 × 236,265.96
  4. Step 4: Simplify right side
    427,251x = 139,301,620,887.69
  5. Step 5: Solve for x
    x = 139,301,620,887.69/427,251
  6. Step 6: Final answer
    x = 326,041.65

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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.