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Finding the Fourth Proportional to 504,296.31, 695,929.89 and 274,856.16

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Solution

The fourth proportional to 504,296.31, 695,929.89 and 274,856.16 is: 379,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,296.31 : 695,929.89 = 274,856.16 : x
  2. Step 2: Convert to fraction form
    504,296.31/695,929.89 = 274,856.16/x
  3. Step 3: Cross multiply
    504,296.31x = 695,929.89 × 274,856.16
  4. Step 4: Simplify right side
    504,296.31x = 191,280,617,194.62
  5. Step 5: Solve for x
    x = 191,280,617,194.62/504,296.31
  6. Step 6: Final answer
    x = 379,302.04

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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.