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Finding the Fourth Proportional to 443,226.22, 611,654.43 and 242,022.22

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Solution

The fourth proportional to 443,226.22, 611,654.43 and 242,022.22 is: 333,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,226.22 : 611,654.43 = 242,022.22 : x
  2. Step 2: Convert to fraction form
    443,226.22/611,654.43 = 242,022.22/x
  3. Step 3: Cross multiply
    443,226.22x = 611,654.43 × 242,022.22
  4. Step 4: Simplify right side
    443,226.22x = 148,033,963,021.44
  5. Step 5: Solve for x
    x = 148,033,963,021.44/443,226.22
  6. Step 6: Final answer
    x = 333,991.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.