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Finding the Fourth Proportional to 224,389.19, 310,967.11 and 220,131.22

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Solution

The fourth proportional to 224,389.19, 310,967.11 and 220,131.22 is: 305,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,389.19 : 310,967.11 = 220,131.22 : x
  2. Step 2: Convert to fraction form
    224,389.19/310,967.11 = 220,131.22/x
  3. Step 3: Cross multiply
    224,389.19x = 310,967.11 × 220,131.22
  4. Step 4: Simplify right side
    224,389.19x = 68,453,568,146.75
  5. Step 5: Solve for x
    x = 68,453,568,146.75/224,389.19
  6. Step 6: Final answer
    x = 305,066.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.