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Finding the Fourth Proportional to 340,998.70, 511,497.96 and 116,359.11

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Solution

The fourth proportional to 340,998.70, 511,497.96 and 116,359.11 is: 174,538.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,998.70 : 511,497.96 = 116,359.11 : x
  2. Step 2: Convert to fraction form
    340,998.70/511,497.96 = 116,359.11/x
  3. Step 3: Cross multiply
    340,998.70x = 511,497.96 × 116,359.11
  4. Step 4: Simplify right side
    340,998.70x = 59,517,448,089.37
  5. Step 5: Solve for x
    x = 59,517,448,089.37/340,998.70
  6. Step 6: Final answer
    x = 174,538.64

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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.