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Finding the Fourth Proportional to 587,241.28, 810,408 and 332,588.80

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Solution

The fourth proportional to 587,241.28, 810,408 and 332,588.80 is: 458,981.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,241.28 : 810,408 = 332,588.80 : x
  2. Step 2: Convert to fraction form
    587,241.28/810,408 = 332,588.80/x
  3. Step 3: Cross multiply
    587,241.28x = 810,408 × 332,588.80
  4. Step 4: Simplify right side
    587,241.28x = 269,532,624,230.40
  5. Step 5: Solve for x
    x = 269,532,624,230.40/587,241.28
  6. Step 6: Final answer
    x = 458,981.06

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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.