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Finding the Fourth Proportional to 334,022.40, 501,422.40 and 201,052.80

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Solution

The fourth proportional to 334,022.40, 501,422.40 and 201,052.80 is: 301,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,022.40 : 501,422.40 = 201,052.80 : x
  2. Step 2: Convert to fraction form
    334,022.40/501,422.40 = 201,052.80/x
  3. Step 3: Cross multiply
    334,022.40x = 501,422.40 × 201,052.80
  4. Step 4: Simplify right side
    334,022.40x = 100,812,377,502.72
  5. Step 5: Solve for x
    x = 100,812,377,502.72/334,022.40
  6. Step 6: Final answer
    x = 301,813.22

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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.