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Finding the Fourth Proportional to 424,940.04, 637,475.40 and 144,391.68

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Solution

The fourth proportional to 424,940.04, 637,475.40 and 144,391.68 is: 216,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,940.04 : 637,475.40 = 144,391.68 : x
  2. Step 2: Convert to fraction form
    424,940.04/637,475.40 = 144,391.68/x
  3. Step 3: Cross multiply
    424,940.04x = 637,475.40 × 144,391.68
  4. Step 4: Simplify right side
    424,940.04x = 92,046,143,964.67
  5. Step 5: Solve for x
    x = 92,046,143,964.67/424,940.04
  6. Step 6: Final answer
    x = 216,609.72

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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.