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Finding the Fourth Proportional to 443,654.22, 612,241.47 and 242,450.22

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Solution

The fourth proportional to 443,654.22, 612,241.47 and 242,450.22 is: 334,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,654.22 : 612,241.47 = 242,450.22 : x
  2. Step 2: Convert to fraction form
    443,654.22/612,241.47 = 242,450.22/x
  3. Step 3: Cross multiply
    443,654.22x = 612,241.47 × 242,450.22
  4. Step 4: Simplify right side
    443,654.22x = 148,438,079,094.62
  5. Step 5: Solve for x
    x = 148,438,079,094.62/443,654.22
  6. Step 6: Final answer
    x = 334,580.56

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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.