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Finding the Fourth Proportional to 653,599.80, 980,205.30 and 254,010.60

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Solution

The fourth proportional to 653,599.80, 980,205.30 and 254,010.60 is: 380,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,599.80 : 980,205.30 = 254,010.60 : x
  2. Step 2: Convert to fraction form
    653,599.80/980,205.30 = 254,010.60/x
  3. Step 3: Cross multiply
    653,599.80x = 980,205.30 × 254,010.60
  4. Step 4: Simplify right side
    653,599.80x = 248,982,536,376.18
  5. Step 5: Solve for x
    x = 248,982,536,376.18/653,599.80
  6. Step 6: Final answer
    x = 380,940.35

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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.