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Finding the Fourth Proportional to 496,889.24, 745,318.67 and 141,903.90

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Solution

The fourth proportional to 496,889.24, 745,318.67 and 141,903.90 is: 212,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,889.24 : 745,318.67 = 141,903.90 : x
  2. Step 2: Convert to fraction form
    496,889.24/745,318.67 = 141,903.90/x
  3. Step 3: Cross multiply
    496,889.24x = 745,318.67 × 141,903.90
  4. Step 4: Simplify right side
    496,889.24x = 105,763,625,306.29
  5. Step 5: Solve for x
    x = 105,763,625,306.29/496,889.24
  6. Step 6: Final answer
    x = 212,851.51

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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.