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Finding the Fourth Proportional to 503,899.10, 695,380.73 and 277,544.60

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Solution

The fourth proportional to 503,899.10, 695,380.73 and 277,544.60 is: 383,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,899.10 : 695,380.73 = 277,544.60 : x
  2. Step 2: Convert to fraction form
    503,899.10/695,380.73 = 277,544.60/x
  3. Step 3: Cross multiply
    503,899.10x = 695,380.73 × 277,544.60
  4. Step 4: Simplify right side
    503,899.10x = 192,999,161,690.93
  5. Step 5: Solve for x
    x = 192,999,161,690.93/503,899.10
  6. Step 6: Final answer
    x = 383,011.53

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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.