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Finding the Fourth Proportional to 560,760.56, 773,746.04 and 319,029.02

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Solution

The fourth proportional to 560,760.56, 773,746.04 and 319,029.02 is: 440,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,760.56 : 773,746.04 = 319,029.02 : x
  2. Step 2: Convert to fraction form
    560,760.56/773,746.04 = 319,029.02/x
  3. Step 3: Cross multiply
    560,760.56x = 773,746.04 × 319,029.02
  4. Step 4: Simplify right side
    560,760.56x = 246,847,435,406.21
  5. Step 5: Solve for x
    x = 246,847,435,406.21/560,760.56
  6. Step 6: Final answer
    x = 440,201.14

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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.