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Finding the Fourth Proportional to 564,131.20, 847,579.20 and 424,163.20

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Solution

The fourth proportional to 564,131.20, 847,579.20 and 424,163.20 is: 637,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,131.20 : 847,579.20 = 424,163.20 : x
  2. Step 2: Convert to fraction form
    564,131.20/847,579.20 = 424,163.20/x
  3. Step 3: Cross multiply
    564,131.20x = 847,579.20 × 424,163.20
  4. Step 4: Simplify right side
    564,131.20x = 359,511,905,725.44
  5. Step 5: Solve for x
    x = 359,511,905,725.44/564,131.20
  6. Step 6: Final answer
    x = 637,284.21

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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.