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Finding the Fourth Proportional to 476,375.91, 714,020.28 and 191,884.26

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Solution

The fourth proportional to 476,375.91, 714,020.28 and 191,884.26 is: 287,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,375.91 : 714,020.28 = 191,884.26 : x
  2. Step 2: Convert to fraction form
    476,375.91/714,020.28 = 191,884.26/x
  3. Step 3: Cross multiply
    476,375.91x = 714,020.28 × 191,884.26
  4. Step 4: Simplify right side
    476,375.91x = 137,009,253,052.79
  5. Step 5: Solve for x
    x = 137,009,253,052.79/476,375.91
  6. Step 6: Final answer
    x = 287,607.43

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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.