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Finding the Fourth Proportional to 471,054.61, 649,908.75 and 267,089.55

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Solution

The fourth proportional to 471,054.61, 649,908.75 and 267,089.55 is: 368,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,054.61 : 649,908.75 = 267,089.55 : x
  2. Step 2: Convert to fraction form
    471,054.61/649,908.75 = 267,089.55/x
  3. Step 3: Cross multiply
    471,054.61x = 649,908.75 × 267,089.55
  4. Step 4: Simplify right side
    471,054.61x = 173,583,835,578.56
  5. Step 5: Solve for x
    x = 173,583,835,578.56/471,054.61
  6. Step 6: Final answer
    x = 368,500.45

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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.