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Finding the Fourth Proportional to 346,101.91, 477,620.73 and 191,053.29

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Solution

The fourth proportional to 346,101.91, 477,620.73 and 191,053.29 is: 263,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,101.91 : 477,620.73 = 191,053.29 : x
  2. Step 2: Convert to fraction form
    346,101.91/477,620.73 = 191,053.29/x
  3. Step 3: Cross multiply
    346,101.91x = 477,620.73 × 191,053.29
  4. Step 4: Simplify right side
    346,101.91x = 91,251,011,838.70
  5. Step 5: Solve for x
    x = 91,251,011,838.70/346,101.91
  6. Step 6: Final answer
    x = 263,653.59

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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.