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Finding the Fourth Proportional to 571,892.58, 857,240.28 and 192,682.28

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Solution

The fourth proportional to 571,892.58, 857,240.28 and 192,682.28 is: 288,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,892.58 : 857,240.28 = 192,682.28 : x
  2. Step 2: Convert to fraction form
    571,892.58/857,240.28 = 192,682.28/x
  3. Step 3: Cross multiply
    571,892.58x = 857,240.28 × 192,682.28
  4. Step 4: Simplify right side
    571,892.58x = 165,175,013,801.34
  5. Step 5: Solve for x
    x = 165,175,013,801.34/571,892.58
  6. Step 6: Final answer
    x = 288,821.75

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Double scale
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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.