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Finding the Fourth Proportional to 491,032.53, 736,676.98 and 154,083.87

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Solution

The fourth proportional to 491,032.53, 736,676.98 and 154,083.87 is: 231,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,032.53 : 736,676.98 = 154,083.87 : x
  2. Step 2: Convert to fraction form
    491,032.53/736,676.98 = 154,083.87/x
  3. Step 3: Cross multiply
    491,032.53x = 736,676.98 × 154,083.87
  4. Step 4: Simplify right side
    491,032.53x = 113,510,039,633.10
  5. Step 5: Solve for x
    x = 113,510,039,633.10/491,032.53
  6. Step 6: Final answer
    x = 231,166.03

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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.