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Finding the Fourth Proportional to 424,650.50, 637,074.18 and 144,167.76

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Solution

The fourth proportional to 424,650.50, 637,074.18 and 144,167.76 is: 216,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,650.50 : 637,074.18 = 144,167.76 : x
  2. Step 2: Convert to fraction form
    424,650.50/637,074.18 = 144,167.76/x
  3. Step 3: Cross multiply
    424,650.50x = 637,074.18 × 144,167.76
  4. Step 4: Simplify right side
    424,650.50x = 91,845,557,484.44
  5. Step 5: Solve for x
    x = 91,845,557,484.44/424,650.50
  6. Step 6: Final answer
    x = 216,285.06

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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.