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Finding the Fourth Proportional to 662,293.20, 993,478.20 and 189,013.20

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Solution

The fourth proportional to 662,293.20, 993,478.20 and 189,013.20 is: 283,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,293.20 : 993,478.20 = 189,013.20 : x
  2. Step 2: Convert to fraction form
    662,293.20/993,478.20 = 189,013.20/x
  3. Step 3: Cross multiply
    662,293.20x = 993,478.20 × 189,013.20
  4. Step 4: Simplify right side
    662,293.20x = 187,780,493,712.24
  5. Step 5: Solve for x
    x = 187,780,493,712.24/662,293.20
  6. Step 6: Final answer
    x = 283,530.76

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1.5x scale

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.