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Finding the Fourth Proportional to 262,888.21, 394,332.30 and 63,208.57

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Solution

The fourth proportional to 262,888.21, 394,332.30 and 63,208.57 is: 94,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,888.21 : 394,332.30 = 63,208.57 : x
  2. Step 2: Convert to fraction form
    262,888.21/394,332.30 = 63,208.57/x
  3. Step 3: Cross multiply
    262,888.21x = 394,332.30 × 63,208.57
  4. Step 4: Simplify right side
    262,888.21x = 24,925,180,787.81
  5. Step 5: Solve for x
    x = 24,925,180,787.81/262,888.21
  6. Step 6: Final answer
    x = 94,812.85

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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.