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Finding the Fourth Proportional to 476,608.35, 714,912.08 and 121,622.37

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Solution

The fourth proportional to 476,608.35, 714,912.08 and 121,622.37 is: 182,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,608.35 : 714,912.08 = 121,622.37 : x
  2. Step 2: Convert to fraction form
    476,608.35/714,912.08 = 121,622.37/x
  3. Step 3: Cross multiply
    476,608.35x = 714,912.08 × 121,622.37
  4. Step 4: Simplify right side
    476,608.35x = 86,949,303,248.92
  5. Step 5: Solve for x
    x = 86,949,303,248.92/476,608.35
  6. Step 6: Final answer
    x = 182,433.44

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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.