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Finding the Fourth Proportional to 536,559.30, 740,436.36 and 303,964.56

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Solution

The fourth proportional to 536,559.30, 740,436.36 and 303,964.56 is: 419,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,559.30 : 740,436.36 = 303,964.56 : x
  2. Step 2: Convert to fraction form
    536,559.30/740,436.36 = 303,964.56/x
  3. Step 3: Cross multiply
    536,559.30x = 740,436.36 × 303,964.56
  4. Step 4: Simplify right side
    536,559.30x = 225,066,412,375.40
  5. Step 5: Solve for x
    x = 225,066,412,375.40/536,559.30
  6. Step 6: Final answer
    x = 419,462.33

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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.