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Finding the Fourth Proportional to 340,053.96, 469,314.90 and 194,911.68

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Solution

The fourth proportional to 340,053.96, 469,314.90 and 194,911.68 is: 269,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,053.96 : 469,314.90 = 194,911.68 : x
  2. Step 2: Convert to fraction form
    340,053.96/469,314.90 = 194,911.68/x
  3. Step 3: Cross multiply
    340,053.96x = 469,314.90 × 194,911.68
  4. Step 4: Simplify right side
    340,053.96x = 91,474,955,608.03
  5. Step 5: Solve for x
    x = 91,474,955,608.03/340,053.96
  6. Step 6: Final answer
    x = 269,001.29

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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.