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Finding the Fourth Proportional to 435,896.28, 601,805.24 and 345,616.92

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Solution

The fourth proportional to 435,896.28, 601,805.24 and 345,616.92 is: 477,164.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,896.28 : 601,805.24 = 345,616.92 : x
  2. Step 2: Convert to fraction form
    435,896.28/601,805.24 = 345,616.92/x
  3. Step 3: Cross multiply
    435,896.28x = 601,805.24 × 345,616.92
  4. Step 4: Simplify right side
    435,896.28x = 207,994,073,488.66
  5. Step 5: Solve for x
    x = 207,994,073,488.66/435,896.28
  6. Step 6: Final answer
    x = 477,164.14

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1.5x scale

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.