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Finding the Fourth Proportional to 401,101.80, 601,652.70 and 322,369.80

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Solution

The fourth proportional to 401,101.80, 601,652.70 and 322,369.80 is: 483,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,101.80 : 601,652.70 = 322,369.80 : x
  2. Step 2: Convert to fraction form
    401,101.80/601,652.70 = 322,369.80/x
  3. Step 3: Cross multiply
    401,101.80x = 601,652.70 × 322,369.80
  4. Step 4: Simplify right side
    401,101.80x = 193,954,660,568.46
  5. Step 5: Solve for x
    x = 193,954,660,568.46/401,101.80
  6. Step 6: Final answer
    x = 483,554.70

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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.