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Finding the Fourth Proportional to 560,807.15, 773,958.04 and 319,099.91

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Solution

The fourth proportional to 560,807.15, 773,958.04 and 319,099.91 is: 440,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,807.15 : 773,958.04 = 319,099.91 : x
  2. Step 2: Convert to fraction form
    560,807.15/773,958.04 = 319,099.91/x
  3. Step 3: Cross multiply
    560,807.15x = 773,958.04 × 319,099.91
  4. Step 4: Simplify right side
    560,807.15x = 246,969,936,240.24
  5. Step 5: Solve for x
    x = 246,969,936,240.24/560,807.15
  6. Step 6: Final answer
    x = 440,383.01

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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.