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Finding the Fourth Proportional to 583,338.40, 874,861.80 and 223,431.10

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Solution

The fourth proportional to 583,338.40, 874,861.80 and 223,431.10 is: 335,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,338.40 : 874,861.80 = 223,431.10 : x
  2. Step 2: Convert to fraction form
    583,338.40/874,861.80 = 223,431.10/x
  3. Step 3: Cross multiply
    583,338.40x = 874,861.80 × 223,431.10
  4. Step 4: Simplify right side
    583,338.40x = 195,471,334,321.98
  5. Step 5: Solve for x
    x = 195,471,334,321.98/583,338.40
  6. Step 6: Final answer
    x = 335,090.81

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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.