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Finding the Fourth Proportional to 356,294.07, 534,490.31 and 119,704.41

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Solution

The fourth proportional to 356,294.07, 534,490.31 and 119,704.41 is: 179,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,294.07 : 534,490.31 = 119,704.41 : x
  2. Step 2: Convert to fraction form
    356,294.07/534,490.31 = 119,704.41/x
  3. Step 3: Cross multiply
    356,294.07x = 534,490.31 × 119,704.41
  4. Step 4: Simplify right side
    356,294.07x = 63,980,847,209.27
  5. Step 5: Solve for x
    x = 63,980,847,209.27/356,294.07
  6. Step 6: Final answer
    x = 179,573.15

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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.