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Finding the Fourth Proportional to 574,599.29, 792,939.56 and 316,471.32

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Solution

The fourth proportional to 574,599.29, 792,939.56 and 316,471.32 is: 436,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,599.29 : 792,939.56 = 316,471.32 : x
  2. Step 2: Convert to fraction form
    574,599.29/792,939.56 = 316,471.32/x
  3. Step 3: Cross multiply
    574,599.29x = 792,939.56 × 316,471.32
  4. Step 4: Simplify right side
    574,599.29x = 250,942,627,651.06
  5. Step 5: Solve for x
    x = 250,942,627,651.06/574,599.29
  6. Step 6: Final answer
    x = 436,726.31

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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.