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Finding the Fourth Proportional to 984,408.32, 1,476,684.84 and 353,327.60

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Solution

The fourth proportional to 984,408.32, 1,476,684.84 and 353,327.60 is: 530,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,408.32 : 1,476,684.84 = 353,327.60 : x
  2. Step 2: Convert to fraction form
    984,408.32/1,476,684.84 = 353,327.60/x
  3. Step 3: Cross multiply
    984,408.32x = 1,476,684.84 × 353,327.60
  4. Step 4: Simplify right side
    984,408.32x = 521,753,510,473.58
  5. Step 5: Solve for x
    x = 521,753,510,473.58/984,408.32
  6. Step 6: Final answer
    x = 530,017.37

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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.