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Finding the Fourth Proportional to 503,533.80, 694,892.30 and 274,106.36

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Solution

The fourth proportional to 503,533.80, 694,892.30 and 274,106.36 is: 378,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,533.80 : 694,892.30 = 274,106.36 : x
  2. Step 2: Convert to fraction form
    503,533.80/694,892.30 = 274,106.36/x
  3. Step 3: Cross multiply
    503,533.80x = 694,892.30 × 274,106.36
  4. Step 4: Simplify right side
    503,533.80x = 190,474,399,311.73
  5. Step 5: Solve for x
    x = 190,474,399,311.73/503,533.80
  6. Step 6: Final answer
    x = 378,275.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.