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Finding the Fourth Proportional to 269,591.72, 404,439.40 and 103,366.76

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Solution

The fourth proportional to 269,591.72, 404,439.40 and 103,366.76 is: 155,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,591.72 : 404,439.40 = 103,366.76 : x
  2. Step 2: Convert to fraction form
    269,591.72/404,439.40 = 103,366.76/x
  3. Step 3: Cross multiply
    269,591.72x = 404,439.40 × 103,366.76
  4. Step 4: Simplify right side
    269,591.72x = 41,805,590,394.34
  5. Step 5: Solve for x
    x = 41,805,590,394.34/269,591.72
  6. Step 6: Final answer
    x = 155,070.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.