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Finding the Fourth Proportional to 344,219.17, 475,020.90 and 191,282.26

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Solution

The fourth proportional to 344,219.17, 475,020.90 and 191,282.26 is: 263,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,219.17 : 475,020.90 = 191,282.26 : x
  2. Step 2: Convert to fraction form
    344,219.17/475,020.90 = 191,282.26/x
  3. Step 3: Cross multiply
    344,219.17x = 475,020.90 × 191,282.26
  4. Step 4: Simplify right side
    344,219.17x = 90,863,071,299.23
  5. Step 5: Solve for x
    x = 90,863,071,299.23/344,219.17
  6. Step 6: Final answer
    x = 263,968.65

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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.