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Finding the Fourth Proportional to 424,873.33, 637,310.01 and 158,654.63

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Solution

The fourth proportional to 424,873.33, 637,310.01 and 158,654.63 is: 237,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,873.33 : 637,310.01 = 158,654.63 : x
  2. Step 2: Convert to fraction form
    424,873.33/637,310.01 = 158,654.63/x
  3. Step 3: Cross multiply
    424,873.33x = 637,310.01 × 158,654.63
  4. Step 4: Simplify right side
    424,873.33x = 101,112,183,831.85
  5. Step 5: Solve for x
    x = 101,112,183,831.85/424,873.33
  6. Step 6: Final answer
    x = 237,981.95

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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.