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Finding the Fourth Proportional to 575,819.11, 794,633.12 and 317,696.05

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Solution

The fourth proportional to 575,819.11, 794,633.12 and 317,696.05 is: 438,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,819.11 : 794,633.12 = 317,696.05 : x
  2. Step 2: Convert to fraction form
    575,819.11/794,633.12 = 317,696.05/x
  3. Step 3: Cross multiply
    575,819.11x = 794,633.12 × 317,696.05
  4. Step 4: Simplify right side
    575,819.11x = 252,451,800,244.25
  5. Step 5: Solve for x
    x = 252,451,800,244.25/575,819.11
  6. Step 6: Final answer
    x = 438,422.06

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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.