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Finding the Fourth Proportional to 322,424.96, 444,808.42 and 201,356.06

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Solution

The fourth proportional to 322,424.96, 444,808.42 and 201,356.06 is: 277,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,424.96 : 444,808.42 = 201,356.06 : x
  2. Step 2: Convert to fraction form
    322,424.96/444,808.42 = 201,356.06/x
  3. Step 3: Cross multiply
    322,424.96x = 444,808.42 × 201,356.06
  4. Step 4: Simplify right side
    322,424.96x = 89,564,868,178.59
  5. Step 5: Solve for x
    x = 89,564,868,178.59/322,424.96
  6. Step 6: Final answer
    x = 277,785.16

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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.