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Finding the Fourth Proportional to 504,252.79, 695,856.01 and 274,815.97

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Solution

The fourth proportional to 504,252.79, 695,856.01 and 274,815.97 is: 379,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,252.79 : 695,856.01 = 274,815.97 : x
  2. Step 2: Convert to fraction form
    504,252.79/695,856.01 = 274,815.97/x
  3. Step 3: Cross multiply
    504,252.79x = 695,856.01 × 274,815.97
  4. Step 4: Simplify right side
    504,252.79x = 191,232,344,368.48
  5. Step 5: Solve for x
    x = 191,232,344,368.48/504,252.79
  6. Step 6: Final answer
    x = 379,239.04

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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.