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Finding the Fourth Proportional to 619,285, 929,083.62 and 176,053

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Solution

The fourth proportional to 619,285, 929,083.62 and 176,053 is: 264,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,285 : 929,083.62 = 176,053 : x
  2. Step 2: Convert to fraction form
    619,285/929,083.62 = 176,053/x
  3. Step 3: Cross multiply
    619,285x = 929,083.62 × 176,053
  4. Step 4: Simplify right side
    619,285x = 163,567,958,551.86
  5. Step 5: Solve for x
    x = 163,567,958,551.86/619,285
  6. Step 6: Final answer
    x = 264,123.88

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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.