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Finding the Fourth Proportional to 344,144.74, 474,904.30 and 191,193.64

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Solution

The fourth proportional to 344,144.74, 474,904.30 and 191,193.64 is: 263,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,144.74 : 474,904.30 = 191,193.64 : x
  2. Step 2: Convert to fraction form
    344,144.74/474,904.30 = 191,193.64/x
  3. Step 3: Cross multiply
    344,144.74x = 474,904.30 × 191,193.64
  4. Step 4: Simplify right side
    344,144.74x = 90,798,681,768.65
  5. Step 5: Solve for x
    x = 90,798,681,768.65/344,144.74
  6. Step 6: Final answer
    x = 263,838.64

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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.