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Finding the Fourth Proportional to 247,460.30, 371,190.45 and 185,252.30

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Solution

The fourth proportional to 247,460.30, 371,190.45 and 185,252.30 is: 277,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,460.30 : 371,190.45 = 185,252.30 : x
  2. Step 2: Convert to fraction form
    247,460.30/371,190.45 = 185,252.30/x
  3. Step 3: Cross multiply
    247,460.30x = 371,190.45 × 185,252.30
  4. Step 4: Simplify right side
    247,460.30x = 68,763,884,600.54
  5. Step 5: Solve for x
    x = 68,763,884,600.54/247,460.30
  6. Step 6: Final answer
    x = 277,878.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.