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Finding the Fourth Proportional to 472,101.16, 708,361.06 and 247,408.18

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Solution

The fourth proportional to 472,101.16, 708,361.06 and 247,408.18 is: 371,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,101.16 : 708,361.06 = 247,408.18 : x
  2. Step 2: Convert to fraction form
    472,101.16/708,361.06 = 247,408.18/x
  3. Step 3: Cross multiply
    472,101.16x = 708,361.06 × 247,408.18
  4. Step 4: Simplify right side
    472,101.16x = 175,254,320,637.47
  5. Step 5: Solve for x
    x = 175,254,320,637.47/472,101.16
  6. Step 6: Final answer
    x = 371,221.97

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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.