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Finding the Fourth Proportional to 616,764.30, 923,764.05 and 367,932.30

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Solution

The fourth proportional to 616,764.30, 923,764.05 and 367,932.30 is: 551,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,764.30 : 923,764.05 = 367,932.30 : x
  2. Step 2: Convert to fraction form
    616,764.30/923,764.05 = 367,932.30/x
  3. Step 3: Cross multiply
    616,764.30x = 923,764.05 × 367,932.30
  4. Step 4: Simplify right side
    616,764.30x = 339,882,631,573.82
  5. Step 5: Solve for x
    x = 339,882,631,573.82/616,764.30
  6. Step 6: Final answer
    x = 551,073.78

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1.5x scale

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.