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Finding the Fourth Proportional to 334,140.52, 501,406.62 and 134,429.80

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Solution

The fourth proportional to 334,140.52, 501,406.62 and 134,429.80 is: 201,723.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,140.52 : 501,406.62 = 134,429.80 : x
  2. Step 2: Convert to fraction form
    334,140.52/501,406.62 = 134,429.80/x
  3. Step 3: Cross multiply
    334,140.52x = 501,406.62 × 134,429.80
  4. Step 4: Simplify right side
    334,140.52x = 67,403,991,645.28
  5. Step 5: Solve for x
    x = 67,403,991,645.28/334,140.52
  6. Step 6: Final answer
    x = 201,723.49

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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.