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Finding the Fourth Proportional to 424,881.63, 637,089.45 and 168,454.41

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Solution

The fourth proportional to 424,881.63, 637,089.45 and 168,454.41 is: 252,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,881.63 : 637,089.45 = 168,454.41 : x
  2. Step 2: Convert to fraction form
    424,881.63/637,089.45 = 168,454.41/x
  3. Step 3: Cross multiply
    424,881.63x = 637,089.45 × 168,454.41
  4. Step 4: Simplify right side
    424,881.63x = 107,320,527,416.97
  5. Step 5: Solve for x
    x = 107,320,527,416.97/424,881.63
  6. Step 6: Final answer
    x = 252,589.24

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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.