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Finding the Fourth Proportional to 599,010.52, 898,729.71 and 257,310.40

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Solution

The fourth proportional to 599,010.52, 898,729.71 and 257,310.40 is: 386,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,010.52 : 898,729.71 = 257,310.40 : x
  2. Step 2: Convert to fraction form
    599,010.52/898,729.71 = 257,310.40/x
  3. Step 3: Cross multiply
    599,010.52x = 898,729.71 × 257,310.40
  4. Step 4: Simplify right side
    599,010.52x = 231,252,501,171.98
  5. Step 5: Solve for x
    x = 231,252,501,171.98/599,010.52
  6. Step 6: Final answer
    x = 386,057.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.