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Finding the Fourth Proportional to 247,946.86, 342,331.44 and 190,483.84

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Solution

The fourth proportional to 247,946.86, 342,331.44 and 190,483.84 is: 262,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,946.86 : 342,331.44 = 190,483.84 : x
  2. Step 2: Convert to fraction form
    247,946.86/342,331.44 = 190,483.84/x
  3. Step 3: Cross multiply
    247,946.86x = 342,331.44 × 190,483.84
  4. Step 4: Simplify right side
    247,946.86x = 65,208,607,243.93
  5. Step 5: Solve for x
    x = 65,208,607,243.93/247,946.86
  6. Step 6: Final answer
    x = 262,994.29

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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.