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Finding the Fourth Proportional to 619,247, 929,026.56 and 176,015

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Solution

The fourth proportional to 619,247, 929,026.56 and 176,015 is: 264,066.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,247 : 929,026.56 = 176,015 : x
  2. Step 2: Convert to fraction form
    619,247/929,026.56 = 176,015/x
  3. Step 3: Cross multiply
    619,247x = 929,026.56 × 176,015
  4. Step 4: Simplify right side
    619,247x = 163,522,609,958.40
  5. Step 5: Solve for x
    x = 163,522,609,958.40/619,247
  6. Step 6: Final answer
    x = 264,066.86

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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.