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Finding the Fourth Proportional to 576,168.20, 864,252.30 and 155,486.60

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Solution

The fourth proportional to 576,168.20, 864,252.30 and 155,486.60 is: 233,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,168.20 : 864,252.30 = 155,486.60 : x
  2. Step 2: Convert to fraction form
    576,168.20/864,252.30 = 155,486.60/x
  3. Step 3: Cross multiply
    576,168.20x = 864,252.30 × 155,486.60
  4. Step 4: Simplify right side
    576,168.20x = 134,379,651,669.18
  5. Step 5: Solve for x
    x = 134,379,651,669.18/576,168.20
  6. Step 6: Final answer
    x = 233,229.90

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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.