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Finding the Fourth Proportional to 389,563.21, 584,607.24 and 152,877.97

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Solution

The fourth proportional to 389,563.21, 584,607.24 and 152,877.97 is: 229,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,563.21 : 584,607.24 = 152,877.97 : x
  2. Step 2: Convert to fraction form
    389,563.21/584,607.24 = 152,877.97/x
  3. Step 3: Cross multiply
    389,563.21x = 584,607.24 × 152,877.97
  4. Step 4: Simplify right side
    389,563.21x = 89,373,568,098.50
  5. Step 5: Solve for x
    x = 89,373,568,098.50/389,563.21
  6. Step 6: Final answer
    x = 229,419.94

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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.