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Finding the Fourth Proportional to 503,727.44, 755,690.88 and 143,901.40

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Solution

The fourth proportional to 503,727.44, 755,690.88 and 143,901.40 is: 215,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,727.44 : 755,690.88 = 143,901.40 : x
  2. Step 2: Convert to fraction form
    503,727.44/755,690.88 = 143,901.40/x
  3. Step 3: Cross multiply
    503,727.44x = 755,690.88 × 143,901.40
  4. Step 4: Simplify right side
    503,727.44x = 108,744,975,599.23
  5. Step 5: Solve for x
    x = 108,744,975,599.23/503,727.44
  6. Step 6: Final answer
    x = 215,880.59

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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.