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Finding the Fourth Proportional to 341,553, 471,337.31 and 188,587.38

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Solution

The fourth proportional to 341,553, 471,337.31 and 188,587.38 is: 260,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,553 : 471,337.31 = 188,587.38 : x
  2. Step 2: Convert to fraction form
    341,553/471,337.31 = 188,587.38/x
  3. Step 3: Cross multiply
    341,553x = 471,337.31 × 188,587.38
  4. Step 4: Simplify right side
    341,553x = 88,888,267,446.21
  5. Step 5: Solve for x
    x = 88,888,267,446.21/341,553
  6. Step 6: Final answer
    x = 260,247.36

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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.