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Finding the Fourth Proportional to 574,366.43, 792,619.16 and 316,238.11

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Solution

The fourth proportional to 574,366.43, 792,619.16 and 316,238.11 is: 436,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,366.43 : 792,619.16 = 316,238.11 : x
  2. Step 2: Convert to fraction form
    574,366.43/792,619.16 = 316,238.11/x
  3. Step 3: Cross multiply
    574,366.43x = 792,619.16 × 316,238.11
  4. Step 4: Simplify right side
    574,366.43x = 250,656,383,917.24
  5. Step 5: Solve for x
    x = 250,656,383,917.24/574,366.43
  6. Step 6: Final answer
    x = 436,405.00

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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.