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Finding the Fourth Proportional to 250,076.57, 344,378.61 and 217,356.62

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Solution

The fourth proportional to 250,076.57, 344,378.61 and 217,356.62 is: 299,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,076.57 : 344,378.61 = 217,356.62 : x
  2. Step 2: Convert to fraction form
    250,076.57/344,378.61 = 217,356.62/x
  3. Step 3: Cross multiply
    250,076.57x = 344,378.61 × 217,356.62
  4. Step 4: Simplify right side
    250,076.57x = 74,852,971,530.84
  5. Step 5: Solve for x
    x = 74,852,971,530.84/250,076.57
  6. Step 6: Final answer
    x = 299,320.21

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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.