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Finding the Fourth Proportional to 571,709.85, 857,843.61 and 234,851.70

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Solution

The fourth proportional to 571,709.85, 857,843.61 and 234,851.70 is: 352,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,709.85 : 857,843.61 = 234,851.70 : x
  2. Step 2: Convert to fraction form
    571,709.85/857,843.61 = 234,851.70/x
  3. Step 3: Cross multiply
    571,709.85x = 857,843.61 × 234,851.70
  4. Step 4: Simplify right side
    571,709.85x = 201,466,033,799.90
  5. Step 5: Solve for x
    x = 201,466,033,799.90/571,709.85
  6. Step 6: Final answer
    x = 352,392.10

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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.