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Finding the Fourth Proportional to 427,249, 589,593.90 and 236,263.96

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Solution

The fourth proportional to 427,249, 589,593.90 and 236,263.96 is: 326,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,249 : 589,593.90 = 236,263.96 : x
  2. Step 2: Convert to fraction form
    427,249/589,593.90 = 236,263.96/x
  3. Step 3: Cross multiply
    427,249x = 589,593.90 × 236,263.96
  4. Step 4: Simplify right side
    427,249x = 139,299,789,605.84
  5. Step 5: Solve for x
    x = 139,299,789,605.84/427,249
  6. Step 6: Final answer
    x = 326,038.89

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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.