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Finding the Fourth Proportional to 292,809.17, 438,377.03 and 274,208.87

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Solution

The fourth proportional to 292,809.17, 438,377.03 and 274,208.87 is: 410,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,809.17 : 438,377.03 = 274,208.87 : x
  2. Step 2: Convert to fraction form
    292,809.17/438,377.03 = 274,208.87/x
  3. Step 3: Cross multiply
    292,809.17x = 438,377.03 × 274,208.87
  4. Step 4: Simplify right side
    292,809.17x = 120,206,868,659.21
  5. Step 5: Solve for x
    x = 120,206,868,659.21/292,809.17
  6. Step 6: Final answer
    x = 410,529.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.