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Finding the Fourth Proportional to 532,092.87, 734,281.88 and 290,379.56

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Solution

The fourth proportional to 532,092.87, 734,281.88 and 290,379.56 is: 400,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,092.87 : 734,281.88 = 290,379.56 : x
  2. Step 2: Convert to fraction form
    532,092.87/734,281.88 = 290,379.56/x
  3. Step 3: Cross multiply
    532,092.87x = 734,281.88 × 290,379.56
  4. Step 4: Simplify right side
    532,092.87x = 213,220,444,107.07
  5. Step 5: Solve for x
    x = 213,220,444,107.07/532,092.87
  6. Step 6: Final answer
    x = 400,720.36

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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.