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Finding the Fourth Proportional to 497,059.80, 745,589.70 and 123,082.80

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Solution

The fourth proportional to 497,059.80, 745,589.70 and 123,082.80 is: 184,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,059.80 : 745,589.70 = 123,082.80 : x
  2. Step 2: Convert to fraction form
    497,059.80/745,589.70 = 123,082.80/x
  3. Step 3: Cross multiply
    497,059.80x = 745,589.70 × 123,082.80
  4. Step 4: Simplify right side
    497,059.80x = 91,769,267,927.16
  5. Step 5: Solve for x
    x = 91,769,267,927.16/497,059.80
  6. Step 6: Final answer
    x = 184,624.20

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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.