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Finding the Fourth Proportional to 221,444.40, 332,166.60 and 154,959.60

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Solution

The fourth proportional to 221,444.40, 332,166.60 and 154,959.60 is: 232,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,444.40 : 332,166.60 = 154,959.60 : x
  2. Step 2: Convert to fraction form
    221,444.40/332,166.60 = 154,959.60/x
  3. Step 3: Cross multiply
    221,444.40x = 332,166.60 × 154,959.60
  4. Step 4: Simplify right side
    221,444.40x = 51,472,403,469.36
  5. Step 5: Solve for x
    x = 51,472,403,469.36/221,444.40
  6. Step 6: Final answer
    x = 232,439.40

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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.