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Finding the Fourth Proportional to 221,602.20, 332,403.30 and 186,610.20

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Solution

The fourth proportional to 221,602.20, 332,403.30 and 186,610.20 is: 279,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,602.20 : 332,403.30 = 186,610.20 : x
  2. Step 2: Convert to fraction form
    221,602.20/332,403.30 = 186,610.20/x
  3. Step 3: Cross multiply
    221,602.20x = 332,403.30 × 186,610.20
  4. Step 4: Simplify right side
    221,602.20x = 62,029,846,293.66
  5. Step 5: Solve for x
    x = 62,029,846,293.66/221,602.20
  6. Step 6: Final answer
    x = 279,915.30

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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.