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Finding the Fourth Proportional to 297,810.80, 447,061.80 and 179,615.60

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Solution

The fourth proportional to 297,810.80, 447,061.80 and 179,615.60 is: 269,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,810.80 : 447,061.80 = 179,615.60 : x
  2. Step 2: Convert to fraction form
    297,810.80/447,061.80 = 179,615.60/x
  3. Step 3: Cross multiply
    297,810.80x = 447,061.80 × 179,615.60
  4. Step 4: Simplify right side
    297,810.80x = 80,299,273,444.08
  5. Step 5: Solve for x
    x = 80,299,273,444.08/297,810.80
  6. Step 6: Final answer
    x = 269,631.84

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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.