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Finding the Fourth Proportional to 571,886.58, 857,231.28 and 192,676.29

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Solution

The fourth proportional to 571,886.58, 857,231.28 and 192,676.29 is: 288,812.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,886.58 : 857,231.28 = 192,676.29 : x
  2. Step 2: Convert to fraction form
    571,886.58/857,231.28 = 192,676.29/x
  3. Step 3: Cross multiply
    571,886.58x = 857,231.28 × 192,676.29
  4. Step 4: Simplify right side
    571,886.58x = 165,168,142,702.35
  5. Step 5: Solve for x
    x = 165,168,142,702.35/571,886.58
  6. Step 6: Final answer
    x = 288,812.76

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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.