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Finding the Fourth Proportional to 220,798.20, 330,857.10 and 164,373.60

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Solution

The fourth proportional to 220,798.20, 330,857.10 and 164,373.60 is: 246,307.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,798.20 : 330,857.10 = 164,373.60 : x
  2. Step 2: Convert to fraction form
    220,798.20/330,857.10 = 164,373.60/x
  3. Step 3: Cross multiply
    220,798.20x = 330,857.10 × 164,373.60
  4. Step 4: Simplify right side
    220,798.20x = 54,384,172,612.56
  5. Step 5: Solve for x
    x = 54,384,172,612.56/220,798.20
  6. Step 6: Final answer
    x = 246,307.14

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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.