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Finding the Fourth Proportional to 224,392.17, 310,971.27 and 220,134.21

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Solution

The fourth proportional to 224,392.17, 310,971.27 and 220,134.21 is: 305,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,392.17 : 310,971.27 = 220,134.21 : x
  2. Step 2: Convert to fraction form
    224,392.17/310,971.27 = 220,134.21/x
  3. Step 3: Cross multiply
    224,392.17x = 310,971.27 × 220,134.21
  4. Step 4: Simplify right side
    224,392.17x = 68,455,414,854.15
  5. Step 5: Solve for x
    x = 68,455,414,854.15/224,392.17
  6. Step 6: Final answer
    x = 305,070.43

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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.