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Finding the Fourth Proportional to 436,809.75, 602,697.73 and 245,753.43

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Solution

The fourth proportional to 436,809.75, 602,697.73 and 245,753.43 is: 339,083.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,809.75 : 602,697.73 = 245,753.43 : x
  2. Step 2: Convert to fraction form
    436,809.75/602,697.73 = 245,753.43/x
  3. Step 3: Cross multiply
    436,809.75x = 602,697.73 × 245,753.43
  4. Step 4: Simplify right side
    436,809.75x = 148,115,034,400.71
  5. Step 5: Solve for x
    x = 148,115,034,400.71/436,809.75
  6. Step 6: Final answer
    x = 339,083.63

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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.