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Finding the Fourth Proportional to 424,662.50, 637,092.18 and 144,179.75

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Solution

The fourth proportional to 424,662.50, 637,092.18 and 144,179.75 is: 216,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,662.50 : 637,092.18 = 144,179.75 : x
  2. Step 2: Convert to fraction form
    424,662.50/637,092.18 = 144,179.75/x
  3. Step 3: Cross multiply
    424,662.50x = 637,092.18 × 144,179.75
  4. Step 4: Simplify right side
    424,662.50x = 91,855,791,239.36
  5. Step 5: Solve for x
    x = 91,855,791,239.36/424,662.50
  6. Step 6: Final answer
    x = 216,303.04

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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.