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Finding the Fourth Proportional to 294,009.60, 440,560.80 and 218,776.80

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Solution

The fourth proportional to 294,009.60, 440,560.80 and 218,776.80 is: 327,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,009.60 : 440,560.80 = 218,776.80 : x
  2. Step 2: Convert to fraction form
    294,009.60/440,560.80 = 218,776.80/x
  3. Step 3: Cross multiply
    294,009.60x = 440,560.80 × 218,776.80
  4. Step 4: Simplify right side
    294,009.60x = 96,384,482,029.44
  5. Step 5: Solve for x
    x = 96,384,482,029.44/294,009.60
  6. Step 6: Final answer
    x = 327,827.67

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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.