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Finding the Fourth Proportional to 442,007.93, 609,975.14 and 251,022.71

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Solution

The fourth proportional to 442,007.93, 609,975.14 and 251,022.71 is: 346,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,007.93 : 609,975.14 = 251,022.71 : x
  2. Step 2: Convert to fraction form
    442,007.93/609,975.14 = 251,022.71/x
  3. Step 3: Cross multiply
    442,007.93x = 609,975.14 × 251,022.71
  4. Step 4: Simplify right side
    442,007.93x = 153,117,608,370.44
  5. Step 5: Solve for x
    x = 153,117,608,370.44/442,007.93
  6. Step 6: Final answer
    x = 346,413.72

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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.