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Finding the Fourth Proportional to 472,468.55, 652,081.39 and 281,592.65

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Solution

The fourth proportional to 472,468.55, 652,081.39 and 281,592.65 is: 388,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,468.55 : 652,081.39 = 281,592.65 : x
  2. Step 2: Convert to fraction form
    472,468.55/652,081.39 = 281,592.65/x
  3. Step 3: Cross multiply
    472,468.55x = 652,081.39 × 281,592.65
  4. Step 4: Simplify right side
    472,468.55x = 183,621,327,552.01
  5. Step 5: Solve for x
    x = 183,621,327,552.01/472,468.55
  6. Step 6: Final answer
    x = 388,642.44

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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.