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Finding the Fourth Proportional to 424,242.35, 585,442.11 and 240,497.96

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Solution

The fourth proportional to 424,242.35, 585,442.11 and 240,497.96 is: 331,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,242.35 : 585,442.11 = 240,497.96 : x
  2. Step 2: Convert to fraction form
    424,242.35/585,442.11 = 240,497.96/x
  3. Step 3: Cross multiply
    424,242.35x = 585,442.11 × 240,497.96
  4. Step 4: Simplify right side
    424,242.35x = 140,797,631,127.75
  5. Step 5: Solve for x
    x = 140,797,631,127.75/424,242.35
  6. Step 6: Final answer
    x = 331,880.19

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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.