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Finding the Fourth Proportional to 503,899.47, 695,381.24 and 277,544.97

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Solution

The fourth proportional to 503,899.47, 695,381.24 and 277,544.97 is: 383,012.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,899.47 : 695,381.24 = 277,544.97 : x
  2. Step 2: Convert to fraction form
    503,899.47/695,381.24 = 277,544.97/x
  3. Step 3: Cross multiply
    503,899.47x = 695,381.24 × 277,544.97
  4. Step 4: Simplify right side
    503,899.47x = 192,999,564,006.64
  5. Step 5: Solve for x
    x = 192,999,564,006.64/503,899.47
  6. Step 6: Final answer
    x = 383,012.04

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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.