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Finding the Fourth Proportional to 346,364.20, 519,287.10 and 188,770.60

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Solution

The fourth proportional to 346,364.20, 519,287.10 and 188,770.60 is: 283,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,364.20 : 519,287.10 = 188,770.60 : x
  2. Step 2: Convert to fraction form
    346,364.20/519,287.10 = 188,770.60/x
  3. Step 3: Cross multiply
    346,364.20x = 519,287.10 × 188,770.60
  4. Step 4: Simplify right side
    346,364.20x = 98,026,137,439.26
  5. Step 5: Solve for x
    x = 98,026,137,439.26/346,364.20
  6. Step 6: Final answer
    x = 283,014.63

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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.