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Finding the Fourth Proportional to 334,297.36, 501,319.80 and 134,549.68

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Solution

The fourth proportional to 334,297.36, 501,319.80 and 134,549.68 is: 201,773.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,297.36 : 501,319.80 = 134,549.68 : x
  2. Step 2: Convert to fraction form
    334,297.36/501,319.80 = 134,549.68/x
  3. Step 3: Cross multiply
    334,297.36x = 501,319.80 × 134,549.68
  4. Step 4: Simplify right side
    334,297.36x = 67,452,418,667.66
  5. Step 5: Solve for x
    x = 67,452,418,667.66/334,297.36
  6. Step 6: Final answer
    x = 201,773.71

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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.