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Finding the Fourth Proportional to 703,728.41, 970,374.94 and 522,776.03

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Solution

The fourth proportional to 703,728.41, 970,374.94 and 522,776.03 is: 720,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,728.41 : 970,374.94 = 522,776.03 : x
  2. Step 2: Convert to fraction form
    703,728.41/970,374.94 = 522,776.03/x
  3. Step 3: Cross multiply
    703,728.41x = 970,374.94 × 522,776.03
  4. Step 4: Simplify right side
    703,728.41x = 507,288,752,585.87
  5. Step 5: Solve for x
    x = 507,288,752,585.87/703,728.41
  6. Step 6: Final answer
    x = 720,858.71

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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.