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Finding the Fourth Proportional to 616,233.20, 923,572.20 and 300,009.20

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Solution

The fourth proportional to 616,233.20, 923,572.20 and 300,009.20 is: 449,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,233.20 : 923,572.20 = 300,009.20 : x
  2. Step 2: Convert to fraction form
    616,233.20/923,572.20 = 300,009.20/x
  3. Step 3: Cross multiply
    616,233.20x = 923,572.20 × 300,009.20
  4. Step 4: Simplify right side
    616,233.20x = 277,080,156,864.24
  5. Step 5: Solve for x
    x = 277,080,156,864.24/616,233.20
  6. Step 6: Final answer
    x = 449,635.23

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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.