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Finding the Fourth Proportional to 476,385.03, 714,033.97 and 191,893.39

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Solution

The fourth proportional to 476,385.03, 714,033.97 and 191,893.39 is: 287,621.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,385.03 : 714,033.97 = 191,893.39 : x
  2. Step 2: Convert to fraction form
    476,385.03/714,033.97 = 191,893.39/x
  3. Step 3: Cross multiply
    476,385.03x = 714,033.97 × 191,893.39
  4. Step 4: Simplify right side
    476,385.03x = 137,018,396,813.64
  5. Step 5: Solve for x
    x = 137,018,396,813.64/476,385.03
  6. Step 6: Final answer
    x = 287,621.12

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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.