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Finding the Fourth Proportional to 436,978.98, 603,088.47 and 246,029.58

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Solution

The fourth proportional to 436,978.98, 603,088.47 and 246,029.58 is: 339,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,978.98 : 603,088.47 = 246,029.58 : x
  2. Step 2: Convert to fraction form
    436,978.98/603,088.47 = 246,029.58/x
  3. Step 3: Cross multiply
    436,978.98x = 603,088.47 × 246,029.58
  4. Step 4: Simplify right side
    436,978.98x = 148,377,602,976.94
  5. Step 5: Solve for x
    x = 148,377,602,976.94/436,978.98
  6. Step 6: Final answer
    x = 339,553.18

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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.