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Finding the Fourth Proportional to 504,157.50, 695,752.20 and 277,817.58

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Solution

The fourth proportional to 504,157.50, 695,752.20 and 277,817.58 is: 383,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,157.50 : 695,752.20 = 277,817.58 : x
  2. Step 2: Convert to fraction form
    504,157.50/695,752.20 = 277,817.58/x
  3. Step 3: Cross multiply
    504,157.50x = 695,752.20 × 277,817.58
  4. Step 4: Simplify right side
    504,157.50x = 193,292,192,483.68
  5. Step 5: Solve for x
    x = 193,292,192,483.68/504,157.50
  6. Step 6: Final answer
    x = 383,396.44

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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.