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Finding the Fourth Proportional to 703,164.94, 970,294.78 and 397,274.71

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Solution

The fourth proportional to 703,164.94, 970,294.78 and 397,274.71 is: 548,197.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,164.94 : 970,294.78 = 397,274.71 : x
  2. Step 2: Convert to fraction form
    703,164.94/970,294.78 = 397,274.71/x
  3. Step 3: Cross multiply
    703,164.94x = 970,294.78 × 397,274.71
  4. Step 4: Simplify right side
    703,164.94x = 385,473,577,339.01
  5. Step 5: Solve for x
    x = 385,473,577,339.01/703,164.94
  6. Step 6: Final answer
    x = 548,197.95

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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.