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Finding the Fourth Proportional to 344,226.31, 475,030.77 and 191,289.40

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Solution

The fourth proportional to 344,226.31, 475,030.77 and 191,289.40 is: 263,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,226.31 : 475,030.77 = 191,289.40 : x
  2. Step 2: Convert to fraction form
    344,226.31/475,030.77 = 191,289.40/x
  3. Step 3: Cross multiply
    344,226.31x = 475,030.77 × 191,289.40
  4. Step 4: Simplify right side
    344,226.31x = 90,868,350,974.84
  5. Step 5: Solve for x
    x = 90,868,350,974.84/344,226.31
  6. Step 6: Final answer
    x = 263,978.52

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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.