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Finding the Fourth Proportional to 691,190.43, 954,252 and 614,497.70

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Solution

The fourth proportional to 691,190.43, 954,252 and 614,497.70 is: 848,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,190.43 : 954,252 = 614,497.70 : x
  2. Step 2: Convert to fraction form
    691,190.43/954,252 = 614,497.70/x
  3. Step 3: Cross multiply
    691,190.43x = 954,252 × 614,497.70
  4. Step 4: Simplify right side
    691,190.43x = 586,385,658,027.59
  5. Step 5: Solve for x
    x = 586,385,658,027.59/691,190.43
  6. Step 6: Final answer
    x = 848,370.62

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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.