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Finding the Fourth Proportional to 536,171.20, 804,199.20 and 142,187.20

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Solution

The fourth proportional to 536,171.20, 804,199.20 and 142,187.20 is: 213,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,171.20 : 804,199.20 = 142,187.20 : x
  2. Step 2: Convert to fraction form
    536,171.20/804,199.20 = 142,187.20/x
  3. Step 3: Cross multiply
    536,171.20x = 804,199.20 × 142,187.20
  4. Step 4: Simplify right side
    536,171.20x = 114,346,832,490.24
  5. Step 5: Solve for x
    x = 114,346,832,490.24/536,171.20
  6. Step 6: Final answer
    x = 213,265.53

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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.