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Finding the Fourth Proportional to 703,060.07, 970,282.63 and 397,192.58

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Solution

The fourth proportional to 703,060.07, 970,282.63 and 397,192.58 is: 548,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,060.07 : 970,282.63 = 397,192.58 : x
  2. Step 2: Convert to fraction form
    703,060.07/970,282.63 = 397,192.58/x
  3. Step 3: Cross multiply
    703,060.07x = 970,282.63 × 397,192.58
  4. Step 4: Simplify right side
    703,060.07x = 385,389,060,422.52
  5. Step 5: Solve for x
    x = 385,389,060,422.52/703,060.07
  6. Step 6: Final answer
    x = 548,159.51

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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.