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Finding the Fourth Proportional to 560,820.27, 773,902.69 and 306,122.25

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Solution

The fourth proportional to 560,820.27, 773,902.69 and 306,122.25 is: 422,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,820.27 : 773,902.69 = 306,122.25 : x
  2. Step 2: Convert to fraction form
    560,820.27/773,902.69 = 306,122.25/x
  3. Step 3: Cross multiply
    560,820.27x = 773,902.69 × 306,122.25
  4. Step 4: Simplify right side
    560,820.27x = 236,908,832,743.85
  5. Step 5: Solve for x
    x = 236,908,832,743.85/560,820.27
  6. Step 6: Final answer
    x = 422,432.72

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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.