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Finding the Fourth Proportional to 503,998.97, 756,109.08 and 370,474.43

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Solution

The fourth proportional to 503,998.97, 756,109.08 and 370,474.43 is: 555,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,998.97 : 756,109.08 = 370,474.43 : x
  2. Step 2: Convert to fraction form
    503,998.97/756,109.08 = 370,474.43/x
  3. Step 3: Cross multiply
    503,998.97x = 756,109.08 × 370,474.43
  4. Step 4: Simplify right side
    503,998.97x = 280,119,076,650.28
  5. Step 5: Solve for x
    x = 280,119,076,650.28/503,998.97
  6. Step 6: Final answer
    x = 555,792.96

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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.