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Finding the Fourth Proportional to 210,224.80, 314,722.80 and 204,080.80

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Solution

The fourth proportional to 210,224.80, 314,722.80 and 204,080.80 is: 305,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,224.80 : 314,722.80 = 204,080.80 : x
  2. Step 2: Convert to fraction form
    210,224.80/314,722.80 = 204,080.80/x
  3. Step 3: Cross multiply
    210,224.80x = 314,722.80 × 204,080.80
  4. Step 4: Simplify right side
    210,224.80x = 64,228,880,802.24
  5. Step 5: Solve for x
    x = 64,228,880,802.24/210,224.80
  6. Step 6: Final answer
    x = 305,524.76

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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.