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Finding the Fourth Proportional to 334,028.40, 501,431.40 and 201,058.80

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Solution

The fourth proportional to 334,028.40, 501,431.40 and 201,058.80 is: 301,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,028.40 : 501,431.40 = 201,058.80 : x
  2. Step 2: Convert to fraction form
    334,028.40/501,431.40 = 201,058.80/x
  3. Step 3: Cross multiply
    334,028.40x = 501,431.40 × 201,058.80
  4. Step 4: Simplify right side
    334,028.40x = 100,817,195,566.32
  5. Step 5: Solve for x
    x = 100,817,195,566.32/334,028.40
  6. Step 6: Final answer
    x = 301,822.23

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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.