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Finding the Fourth Proportional to 593,223, 818,647.74 and 338,568.72

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Solution

The fourth proportional to 593,223, 818,647.74 and 338,568.72 is: 467,224.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,223 : 818,647.74 = 338,568.72 : x
  2. Step 2: Convert to fraction form
    593,223/818,647.74 = 338,568.72/x
  3. Step 3: Cross multiply
    593,223x = 818,647.74 × 338,568.72
  4. Step 4: Simplify right side
    593,223x = 277,168,517,462.69
  5. Step 5: Solve for x
    x = 277,168,517,462.69/593,223
  6. Step 6: Final answer
    x = 467,224.83

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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.