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Finding the Fourth Proportional to 892,092, 1,337,875.56 and 260,855.76

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Solution

The fourth proportional to 892,092, 1,337,875.56 and 260,855.76 is: 391,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,092 : 1,337,875.56 = 260,855.76 : x
  2. Step 2: Convert to fraction form
    892,092/1,337,875.56 = 260,855.76/x
  3. Step 3: Cross multiply
    892,092x = 1,337,875.56 × 260,855.76
  4. Step 4: Simplify right side
    892,092x = 348,992,545,989.23
  5. Step 5: Solve for x
    x = 348,992,545,989.23/892,092
  6. Step 6: Final answer
    x = 391,206.90

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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.