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Finding the Fourth Proportional to 662,271.20, 993,445.20 and 188,991.20

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Solution

The fourth proportional to 662,271.20, 993,445.20 and 188,991.20 is: 283,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,271.20 : 993,445.20 = 188,991.20 : x
  2. Step 2: Convert to fraction form
    662,271.20/993,445.20 = 188,991.20/x
  3. Step 3: Cross multiply
    662,271.20x = 993,445.20 × 188,991.20
  4. Step 4: Simplify right side
    662,271.20x = 187,752,400,482.24
  5. Step 5: Solve for x
    x = 187,752,400,482.24/662,271.20
  6. Step 6: Final answer
    x = 283,497.76

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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.