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Finding the Fourth Proportional to 532,942.67, 735,462.73 and 291,225.26

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Solution

The fourth proportional to 532,942.67, 735,462.73 and 291,225.26 is: 401,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,942.67 : 735,462.73 = 291,225.26 : x
  2. Step 2: Convert to fraction form
    532,942.67/735,462.73 = 291,225.26/x
  3. Step 3: Cross multiply
    532,942.67x = 735,462.73 × 291,225.26
  4. Step 4: Simplify right side
    532,942.67x = 214,185,320,359.18
  5. Step 5: Solve for x
    x = 214,185,320,359.18/532,942.67
  6. Step 6: Final answer
    x = 401,891.86

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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.