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Finding the Fourth Proportional to 922,671.57, 1,383,847.76 and 417,114.97

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Solution

The fourth proportional to 922,671.57, 1,383,847.76 and 417,114.97 is: 625,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,671.57 : 1,383,847.76 = 417,114.97 : x
  2. Step 2: Convert to fraction form
    922,671.57/1,383,847.76 = 417,114.97/x
  3. Step 3: Cross multiply
    922,671.57x = 1,383,847.76 × 417,114.97
  4. Step 4: Simplify right side
    922,671.57x = 577,223,614,811.39
  5. Step 5: Solve for x
    x = 577,223,614,811.39/922,671.57
  6. Step 6: Final answer
    x = 625,600.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.