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Finding the Fourth Proportional to 319,704.77, 441,190.19 and 176,464.77

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Solution

The fourth proportional to 319,704.77, 441,190.19 and 176,464.77 is: 243,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,704.77 : 441,190.19 = 176,464.77 : x
  2. Step 2: Convert to fraction form
    319,704.77/441,190.19 = 176,464.77/x
  3. Step 3: Cross multiply
    319,704.77x = 441,190.19 × 176,464.77
  4. Step 4: Simplify right side
    319,704.77x = 77,854,524,522.28
  5. Step 5: Solve for x
    x = 77,854,524,522.28/319,704.77
  6. Step 6: Final answer
    x = 243,520.06

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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.