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Finding the Fourth Proportional to 221,675.60, 332,513.40 and 218,176.40

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Solution

The fourth proportional to 221,675.60, 332,513.40 and 218,176.40 is: 327,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,675.60 : 332,513.40 = 218,176.40 : x
  2. Step 2: Convert to fraction form
    221,675.60/332,513.40 = 218,176.40/x
  3. Step 3: Cross multiply
    221,675.60x = 332,513.40 × 218,176.40
  4. Step 4: Simplify right side
    221,675.60x = 72,546,576,563.76
  5. Step 5: Solve for x
    x = 72,546,576,563.76/221,675.60
  6. Step 6: Final answer
    x = 327,264.60

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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.