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Finding the Fourth Proportional to 612,223.57, 918,344.67 and 233,165.27

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Solution

The fourth proportional to 612,223.57, 918,344.67 and 233,165.27 is: 349,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,223.57 : 918,344.67 = 233,165.27 : x
  2. Step 2: Convert to fraction form
    612,223.57/918,344.67 = 233,165.27/x
  3. Step 3: Cross multiply
    612,223.57x = 918,344.67 × 233,165.27
  4. Step 4: Simplify right side
    612,223.57x = 214,126,082,933.61
  5. Step 5: Solve for x
    x = 214,126,082,933.61/612,223.57
  6. Step 6: Final answer
    x = 349,751.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.