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Finding the Fourth Proportional to 472,468.92, 652,081.91 and 281,593.03

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Solution

The fourth proportional to 472,468.92, 652,081.91 and 281,593.03 is: 388,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,468.92 : 652,081.91 = 281,593.03 : x
  2. Step 2: Convert to fraction form
    472,468.92/652,081.91 = 281,593.03/x
  3. Step 3: Cross multiply
    472,468.92x = 652,081.91 × 281,593.03
  4. Step 4: Simplify right side
    472,468.92x = 183,621,717,806.92
  5. Step 5: Solve for x
    x = 183,621,717,806.92/472,468.92
  6. Step 6: Final answer
    x = 388,642.96

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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.