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Finding the Fourth Proportional to 506,193.19, 698,561.19 and 279,853.27

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Solution

The fourth proportional to 506,193.19, 698,561.19 and 279,853.27 is: 386,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,193.19 : 698,561.19 = 279,853.27 : x
  2. Step 2: Convert to fraction form
    506,193.19/698,561.19 = 279,853.27/x
  3. Step 3: Cross multiply
    506,193.19x = 698,561.19 × 279,853.27
  4. Step 4: Simplify right side
    506,193.19x = 195,494,631,570.19
  5. Step 5: Solve for x
    x = 195,494,631,570.19/506,193.19
  6. Step 6: Final answer
    x = 386,205.58

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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.