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Finding the Fourth Proportional to 341,356.50, 512,059.37 and 130,994.44

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Solution

The fourth proportional to 341,356.50, 512,059.37 and 130,994.44 is: 196,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,356.50 : 512,059.37 = 130,994.44 : x
  2. Step 2: Convert to fraction form
    341,356.50/512,059.37 = 130,994.44/x
  3. Step 3: Cross multiply
    341,356.50x = 512,059.37 × 130,994.44
  4. Step 4: Simplify right side
    341,356.50x = 67,076,928,484.78
  5. Step 5: Solve for x
    x = 67,076,928,484.78/341,356.50
  6. Step 6: Final answer
    x = 196,501.10

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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.