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Finding the Fourth Proportional to 573,040.77, 859,589.70 and 218,082.30

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Solution

The fourth proportional to 573,040.77, 859,589.70 and 218,082.30 is: 327,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,040.77 : 859,589.70 = 218,082.30 : x
  2. Step 2: Convert to fraction form
    573,040.77/859,589.70 = 218,082.30/x
  3. Step 3: Cross multiply
    573,040.77x = 859,589.70 × 218,082.30
  4. Step 4: Simplify right side
    573,040.77x = 187,461,298,832.31
  5. Step 5: Solve for x
    x = 187,461,298,832.31/573,040.77
  6. Step 6: Final answer
    x = 327,134.31

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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.