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Finding the Fourth Proportional to 662,500.80, 993,674.40 and 189,259.20

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Solution

The fourth proportional to 662,500.80, 993,674.40 and 189,259.20 is: 283,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,500.80 : 993,674.40 = 189,259.20 : x
  2. Step 2: Convert to fraction form
    662,500.80/993,674.40 = 189,259.20/x
  3. Step 3: Cross multiply
    662,500.80x = 993,674.40 × 189,259.20
  4. Step 4: Simplify right side
    662,500.80x = 188,062,022,004.48
  5. Step 5: Solve for x
    x = 188,062,022,004.48/662,500.80
  6. Step 6: Final answer
    x = 283,866.86

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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.