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Finding the Fourth Proportional to 503,943.87, 695,442.57 and 277,589.37

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Solution

The fourth proportional to 503,943.87, 695,442.57 and 277,589.37 is: 383,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,943.87 : 695,442.57 = 277,589.37 : x
  2. Step 2: Convert to fraction form
    503,943.87/695,442.57 = 277,589.37/x
  3. Step 3: Cross multiply
    503,943.87x = 695,442.57 × 277,589.37
  4. Step 4: Simplify right side
    503,943.87x = 193,047,464,877.48
  5. Step 5: Solve for x
    x = 193,047,464,877.48/503,943.87
  6. Step 6: Final answer
    x = 383,073.35

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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.