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Finding the Fourth Proportional to 571,797.07, 857,698.56 and 192,721.10

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Solution

The fourth proportional to 571,797.07, 857,698.56 and 192,721.10 is: 289,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,797.07 : 857,698.56 = 192,721.10 : x
  2. Step 2: Convert to fraction form
    571,797.07/857,698.56 = 192,721.10/x
  3. Step 3: Cross multiply
    571,797.07x = 857,698.56 × 192,721.10
  4. Step 4: Simplify right side
    571,797.07x = 165,296,605,663.12
  5. Step 5: Solve for x
    x = 165,296,605,663.12/571,797.07
  6. Step 6: Final answer
    x = 289,082.64

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Similar ratio
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1.5x scale

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.