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Finding the Fourth Proportional to 341,322.48, 471,021.72 and 188,362.08

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Solution

The fourth proportional to 341,322.48, 471,021.72 and 188,362.08 is: 259,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,322.48 : 471,021.72 = 188,362.08 : x
  2. Step 2: Convert to fraction form
    341,322.48/471,021.72 = 188,362.08/x
  3. Step 3: Cross multiply
    341,322.48x = 471,021.72 × 188,362.08
  4. Step 4: Simplify right side
    341,322.48x = 88,722,630,904.38
  5. Step 5: Solve for x
    x = 88,722,630,904.38/341,322.48
  6. Step 6: Final answer
    x = 259,937.85

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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.