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Finding the Fourth Proportional to 616,244.70, 923,589.45 and 300,020.70

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Solution

The fourth proportional to 616,244.70, 923,589.45 and 300,020.70 is: 449,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,244.70 : 923,589.45 = 300,020.70 : x
  2. Step 2: Convert to fraction form
    616,244.70/923,589.45 = 300,020.70/x
  3. Step 3: Cross multiply
    616,244.70x = 923,589.45 × 300,020.70
  4. Step 4: Simplify right side
    616,244.70x = 277,095,953,301.62
  5. Step 5: Solve for x
    x = 277,095,953,301.62/616,244.70
  6. Step 6: Final answer
    x = 449,652.47

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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.