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Finding the Fourth Proportional to 488,431.10, 732,610.20 and 204,048.20

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Solution

The fourth proportional to 488,431.10, 732,610.20 and 204,048.20 is: 306,057.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,431.10 : 732,610.20 = 204,048.20 : x
  2. Step 2: Convert to fraction form
    488,431.10/732,610.20 = 204,048.20/x
  3. Step 3: Cross multiply
    488,431.10x = 732,610.20 × 204,048.20
  4. Step 4: Simplify right side
    488,431.10x = 149,487,792,611.64
  5. Step 5: Solve for x
    x = 149,487,792,611.64/488,431.10
  6. Step 6: Final answer
    x = 306,057.07

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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.