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Finding the Fourth Proportional to 551,578.08, 761,468.40 and 371,238.24

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Solution

The fourth proportional to 551,578.08, 761,468.40 and 371,238.24 is: 512,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,578.08 : 761,468.40 = 371,238.24 : x
  2. Step 2: Convert to fraction form
    551,578.08/761,468.40 = 371,238.24/x
  3. Step 3: Cross multiply
    551,578.08x = 761,468.40 × 371,238.24
  4. Step 4: Simplify right side
    551,578.08x = 282,686,188,631.62
  5. Step 5: Solve for x
    x = 282,686,188,631.62/551,578.08
  6. Step 6: Final answer
    x = 512,504.39

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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.