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Finding the Fourth Proportional to 344,160, 475,016.70 and 191,250.66

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Solution

The fourth proportional to 344,160, 475,016.70 and 191,250.66 is: 263,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,160 : 475,016.70 = 191,250.66 : x
  2. Step 2: Convert to fraction form
    344,160/475,016.70 = 191,250.66/x
  3. Step 3: Cross multiply
    344,160x = 475,016.70 × 191,250.66
  4. Step 4: Simplify right side
    344,160x = 90,847,257,386.02
  5. Step 5: Solve for x
    x = 90,847,257,386.02/344,160
  6. Step 6: Final answer
    x = 263,968.09

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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.