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Finding the Fourth Proportional to 534,231.45, 737,239.31 and 292,513.98

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Solution

The fourth proportional to 534,231.45, 737,239.31 and 292,513.98 is: 403,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,231.45 : 737,239.31 = 292,513.98 : x
  2. Step 2: Convert to fraction form
    534,231.45/737,239.31 = 292,513.98/x
  3. Step 3: Cross multiply
    534,231.45x = 737,239.31 × 292,513.98
  4. Step 4: Simplify right side
    534,231.45x = 215,652,803,317.98
  5. Step 5: Solve for x
    x = 215,652,803,317.98/534,231.45
  6. Step 6: Final answer
    x = 403,669.24

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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.