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Finding the Fourth Proportional to 262,572.76, 392,926.02 and 192,277.72

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Solution

The fourth proportional to 262,572.76, 392,926.02 and 192,277.72 is: 287,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,572.76 : 392,926.02 = 192,277.72 : x
  2. Step 2: Convert to fraction form
    262,572.76/392,926.02 = 192,277.72/x
  3. Step 3: Cross multiply
    262,572.76x = 392,926.02 × 192,277.72
  4. Step 4: Simplify right side
    262,572.76x = 75,550,919,254.27
  5. Step 5: Solve for x
    x = 75,550,919,254.27/262,572.76
  6. Step 6: Final answer
    x = 287,733.27

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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.