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Finding the Fourth Proportional to 328,901.88, 493,311.82 and 92,263.02

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Solution

The fourth proportional to 328,901.88, 493,311.82 and 92,263.02 is: 138,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,901.88 : 493,311.82 = 92,263.02 : x
  2. Step 2: Convert to fraction form
    328,901.88/493,311.82 = 92,263.02/x
  3. Step 3: Cross multiply
    328,901.88x = 493,311.82 × 92,263.02
  4. Step 4: Simplify right side
    328,901.88x = 45,514,438,314.90
  5. Step 5: Solve for x
    x = 45,514,438,314.90/328,901.88
  6. Step 6: Final answer
    x = 138,383.03

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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.