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Finding the Fourth Proportional to 645,001.88, 967,504.92 and 195,726.46

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Solution

The fourth proportional to 645,001.88, 967,504.92 and 195,726.46 is: 293,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,001.88 : 967,504.92 = 195,726.46 : x
  2. Step 2: Convert to fraction form
    645,001.88/967,504.92 = 195,726.46/x
  3. Step 3: Cross multiply
    645,001.88x = 967,504.92 × 195,726.46
  4. Step 4: Simplify right side
    645,001.88x = 189,366,313,024.18
  5. Step 5: Solve for x
    x = 189,366,313,024.18/645,001.88
  6. Step 6: Final answer
    x = 293,590.33

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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.