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Finding the Fourth Proportional to 494,685.40, 741,033.01 and 374,947.15

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Solution

The fourth proportional to 494,685.40, 741,033.01 and 374,947.15 is: 561,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,685.40 : 741,033.01 = 374,947.15 : x
  2. Step 2: Convert to fraction form
    494,685.40/741,033.01 = 374,947.15/x
  3. Step 3: Cross multiply
    494,685.40x = 741,033.01 × 374,947.15
  4. Step 4: Simplify right side
    494,685.40x = 277,848,215,155.42
  5. Step 5: Solve for x
    x = 277,848,215,155.42/494,685.40
  6. Step 6: Final answer
    x = 561,666.50

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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.