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Finding the Fourth Proportional to 532,010.93, 734,204.79 and 290,297.61

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Solution

The fourth proportional to 532,010.93, 734,204.79 and 290,297.61 is: 400,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,010.93 : 734,204.79 = 290,297.61 : x
  2. Step 2: Convert to fraction form
    532,010.93/734,204.79 = 290,297.61/x
  3. Step 3: Cross multiply
    532,010.93x = 734,204.79 × 290,297.61
  4. Step 4: Simplify right side
    532,010.93x = 213,137,895,787.55
  5. Step 5: Solve for x
    x = 213,137,895,787.55/532,010.93
  6. Step 6: Final answer
    x = 400,626.92

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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.