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Finding the Fourth Proportional to 472,101.35, 708,361.34 and 247,408.36

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Solution

The fourth proportional to 472,101.35, 708,361.34 and 247,408.36 is: 371,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,101.35 : 708,361.34 = 247,408.36 : x
  2. Step 2: Convert to fraction form
    472,101.35/708,361.34 = 247,408.36/x
  3. Step 3: Cross multiply
    472,101.35x = 708,361.34 × 247,408.36
  4. Step 4: Simplify right side
    472,101.35x = 175,254,517,171.04
  5. Step 5: Solve for x
    x = 175,254,517,171.04/472,101.35
  6. Step 6: Final answer
    x = 371,222.24

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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.