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Finding the Fourth Proportional to 343,551.38, 474,101.51 and 190,584.90

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Solution

The fourth proportional to 343,551.38, 474,101.51 and 190,584.90 is: 263,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,551.38 : 474,101.51 = 190,584.90 : x
  2. Step 2: Convert to fraction form
    343,551.38/474,101.51 = 190,584.90/x
  3. Step 3: Cross multiply
    343,551.38x = 474,101.51 × 190,584.90
  4. Step 4: Simplify right side
    343,551.38x = 90,356,587,920.27
  5. Step 5: Solve for x
    x = 90,356,587,920.27/343,551.38
  6. Step 6: Final answer
    x = 263,007.50

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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.