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Finding the Fourth Proportional to 662,017.76, 993,182.16 and 188,709.92

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Solution

The fourth proportional to 662,017.76, 993,182.16 and 188,709.92 is: 283,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,017.76 : 993,182.16 = 188,709.92 : x
  2. Step 2: Convert to fraction form
    662,017.76/993,182.16 = 188,709.92/x
  3. Step 3: Cross multiply
    662,017.76x = 993,182.16 × 188,709.92
  4. Step 4: Simplify right side
    662,017.76x = 187,423,325,959.03
  5. Step 5: Solve for x
    x = 187,423,325,959.03/662,017.76
  6. Step 6: Final answer
    x = 283,109.21

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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.