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Finding the Fourth Proportional to 633,644.70, 948,717.45 and 493,676.70

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Solution

The fourth proportional to 633,644.70, 948,717.45 and 493,676.70 is: 739,151.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,644.70 : 948,717.45 = 493,676.70 : x
  2. Step 2: Convert to fraction form
    633,644.70/948,717.45 = 493,676.70/x
  3. Step 3: Cross multiply
    633,644.70x = 948,717.45 × 493,676.70
  4. Step 4: Simplify right side
    633,644.70x = 468,359,699,948.42
  5. Step 5: Solve for x
    x = 468,359,699,948.42/633,644.70
  6. Step 6: Final answer
    x = 739,151.93

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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.