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Finding the Fourth Proportional to 334,179.52, 501,465.12 and 134,468.80

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Solution

The fourth proportional to 334,179.52, 501,465.12 and 134,468.80 is: 201,782.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,179.52 : 501,465.12 = 134,468.80 : x
  2. Step 2: Convert to fraction form
    334,179.52/501,465.12 = 134,468.80/x
  3. Step 3: Cross multiply
    334,179.52x = 501,465.12 × 134,468.80
  4. Step 4: Simplify right side
    334,179.52x = 67,431,412,928.26
  5. Step 5: Solve for x
    x = 67,431,412,928.26/334,179.52
  6. Step 6: Final answer
    x = 201,782.00

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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.