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Finding the Fourth Proportional to 531,976.60, 797,964.90 and 252,040.60

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Solution

The fourth proportional to 531,976.60, 797,964.90 and 252,040.60 is: 378,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,976.60 : 797,964.90 = 252,040.60 : x
  2. Step 2: Convert to fraction form
    531,976.60/797,964.90 = 252,040.60/x
  3. Step 3: Cross multiply
    531,976.60x = 797,964.90 × 252,040.60
  4. Step 4: Simplify right side
    531,976.60x = 201,119,552,174.94
  5. Step 5: Solve for x
    x = 201,119,552,174.94/531,976.60
  6. Step 6: Final answer
    x = 378,060.90

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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.