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Finding the Fourth Proportional to 329,032.88, 493,472.64 and 92,398.40

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Solution

The fourth proportional to 329,032.88, 493,472.64 and 92,398.40 is: 138,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,032.88 : 493,472.64 = 92,398.40 : x
  2. Step 2: Convert to fraction form
    329,032.88/493,472.64 = 92,398.40/x
  3. Step 3: Cross multiply
    329,032.88x = 493,472.64 × 92,398.40
  4. Step 4: Simplify right side
    329,032.88x = 45,596,082,379.78
  5. Step 5: Solve for x
    x = 45,596,082,379.78/329,032.88
  6. Step 6: Final answer
    x = 138,576.07

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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.