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Finding the Fourth Proportional to 411,704.80, 617,557.20 and 201,234.40

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Solution

The fourth proportional to 411,704.80, 617,557.20 and 201,234.40 is: 301,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,704.80 : 617,557.20 = 201,234.40 : x
  2. Step 2: Convert to fraction form
    411,704.80/617,557.20 = 201,234.40/x
  3. Step 3: Cross multiply
    411,704.80x = 617,557.20 × 201,234.40
  4. Step 4: Simplify right side
    411,704.80x = 124,273,752,607.68
  5. Step 5: Solve for x
    x = 124,273,752,607.68/411,704.80
  6. Step 6: Final answer
    x = 301,851.60

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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.