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Finding the Fourth Proportional to 351,693.84, 485,333.64 and 190,539.27

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Solution

The fourth proportional to 351,693.84, 485,333.64 and 190,539.27 is: 262,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,693.84 : 485,333.64 = 190,539.27 : x
  2. Step 2: Convert to fraction form
    351,693.84/485,333.64 = 190,539.27/x
  3. Step 3: Cross multiply
    351,693.84x = 485,333.64 × 190,539.27
  4. Step 4: Simplify right side
    351,693.84x = 92,475,117,472.04
  5. Step 5: Solve for x
    x = 92,475,117,472.04/351,693.84
  6. Step 6: Final answer
    x = 262,942.10

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1.5x scale

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.