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Finding the Fourth Proportional to 447,468.48, 617,367.29 and 253,844.19

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Solution

The fourth proportional to 447,468.48, 617,367.29 and 253,844.19 is: 350,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,468.48 : 617,367.29 = 253,844.19 : x
  2. Step 2: Convert to fraction form
    447,468.48/617,367.29 = 253,844.19/x
  3. Step 3: Cross multiply
    447,468.48x = 617,367.29 × 253,844.19
  4. Step 4: Simplify right side
    447,468.48x = 156,715,098,393.32
  5. Step 5: Solve for x
    x = 156,715,098,393.32/447,468.48
  6. Step 6: Final answer
    x = 350,226.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.