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Finding the Fourth Proportional to 603,983.40, 906,558.30 and 367,787.40

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Solution

The fourth proportional to 603,983.40, 906,558.30 and 367,787.40 is: 552,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,983.40 : 906,558.30 = 367,787.40 : x
  2. Step 2: Convert to fraction form
    603,983.40/906,558.30 = 367,787.40/x
  3. Step 3: Cross multiply
    603,983.40x = 906,558.30 × 367,787.40
  4. Step 4: Simplify right side
    603,983.40x = 333,420,720,105.42
  5. Step 5: Solve for x
    x = 333,420,720,105.42/603,983.40
  6. Step 6: Final answer
    x = 552,036.23

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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.