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Finding the Fourth Proportional to 560,801.59, 773,902.25 and 306,152.78

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Solution

The fourth proportional to 560,801.59, 773,902.25 and 306,152.78 is: 422,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,801.59 : 773,902.25 = 306,152.78 : x
  2. Step 2: Convert to fraction form
    560,801.59/773,902.25 = 306,152.78/x
  3. Step 3: Cross multiply
    560,801.59x = 773,902.25 × 306,152.78
  4. Step 4: Simplify right side
    560,801.59x = 236,932,321,416.24
  5. Step 5: Solve for x
    x = 236,932,321,416.24/560,801.59
  6. Step 6: Final answer
    x = 422,488.68

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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.