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Finding the Fourth Proportional to 532,608.54, 734,998.62 and 290,891.13

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Solution

The fourth proportional to 532,608.54, 734,998.62 and 290,891.13 is: 401,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,608.54 : 734,998.62 = 290,891.13 : x
  2. Step 2: Convert to fraction form
    532,608.54/734,998.62 = 290,891.13/x
  3. Step 3: Cross multiply
    532,608.54x = 734,998.62 × 290,891.13
  4. Step 4: Simplify right side
    532,608.54x = 213,804,575,273.15
  5. Step 5: Solve for x
    x = 213,804,575,273.15/532,608.54
  6. Step 6: Final answer
    x = 401,429.11

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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.