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Finding the Fourth Proportional to 560,701.44, 773,785.44 and 319,019.04

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Solution

The fourth proportional to 560,701.44, 773,785.44 and 319,019.04 is: 440,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,701.44 : 773,785.44 = 319,019.04 : x
  2. Step 2: Convert to fraction form
    560,701.44/773,785.44 = 319,019.04/x
  3. Step 3: Cross multiply
    560,701.44x = 773,785.44 × 319,019.04
  4. Step 4: Simplify right side
    560,701.44x = 246,852,288,234.78
  5. Step 5: Solve for x
    x = 246,852,288,234.78/560,701.44
  6. Step 6: Final answer
    x = 440,256.21

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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.