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Finding the Fourth Proportional to 344,221.68, 475,038.90 and 191,271

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Solution

The fourth proportional to 344,221.68, 475,038.90 and 191,271 is: 263,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,221.68 : 475,038.90 = 191,271 : x
  2. Step 2: Convert to fraction form
    344,221.68/475,038.90 = 191,271/x
  3. Step 3: Cross multiply
    344,221.68x = 475,038.90 × 191,271
  4. Step 4: Simplify right side
    344,221.68x = 90,861,165,441.90
  5. Step 5: Solve for x
    x = 90,861,165,441.90/344,221.68
  6. Step 6: Final answer
    x = 263,961.19

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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.