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Finding the Fourth Proportional to 322,386.81, 444,763.89 and 194,840.97

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Solution

The fourth proportional to 322,386.81, 444,763.89 and 194,840.97 is: 268,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,386.81 : 444,763.89 = 194,840.97 : x
  2. Step 2: Convert to fraction form
    322,386.81/444,763.89 = 194,840.97/x
  3. Step 3: Cross multiply
    322,386.81x = 444,763.89 × 194,840.97
  4. Step 4: Simplify right side
    322,386.81x = 86,658,227,748.57
  5. Step 5: Solve for x
    x = 86,658,227,748.57/322,386.81
  6. Step 6: Final answer
    x = 268,802.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.