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Finding the Fourth Proportional to 424,455.84, 585,737.54 and 240,728.12

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Solution

The fourth proportional to 424,455.84, 585,737.54 and 240,728.12 is: 332,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,455.84 : 585,737.54 = 240,728.12 : x
  2. Step 2: Convert to fraction form
    424,455.84/585,737.54 = 240,728.12/x
  3. Step 3: Cross multiply
    424,455.84x = 585,737.54 × 240,728.12
  4. Step 4: Simplify right side
    424,455.84x = 141,003,496,817.63
  5. Step 5: Solve for x
    x = 141,003,496,817.63/424,455.84
  6. Step 6: Final answer
    x = 332,198.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.