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Finding the Fourth Proportional to 504,019.20, 695,538.72 and 277,672.80

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Solution

The fourth proportional to 504,019.20, 695,538.72 and 277,672.80 is: 383,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,019.20 : 695,538.72 = 277,672.80 : x
  2. Step 2: Convert to fraction form
    504,019.20/695,538.72 = 277,672.80/x
  3. Step 3: Cross multiply
    504,019.20x = 695,538.72 × 277,672.80
  4. Step 4: Simplify right side
    504,019.20x = 193,132,183,890.82
  5. Step 5: Solve for x
    x = 193,132,183,890.82/504,019.20
  6. Step 6: Final answer
    x = 383,184.18

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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.