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Finding the Fourth Proportional to 629,832.54, 868,907.19 and 371,606.97

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Solution

The fourth proportional to 629,832.54, 868,907.19 and 371,606.97 is: 512,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,832.54 : 868,907.19 = 371,606.97 : x
  2. Step 2: Convert to fraction form
    629,832.54/868,907.19 = 371,606.97/x
  3. Step 3: Cross multiply
    629,832.54x = 868,907.19 × 371,606.97
  4. Step 4: Simplify right side
    629,832.54x = 322,891,968,087.11
  5. Step 5: Solve for x
    x = 322,891,968,087.11/629,832.54
  6. Step 6: Final answer
    x = 512,663.20

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1.5x scale

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.