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Finding the Fourth Proportional to 292,593.70, 438,902.70 and 92,908.45

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Solution

The fourth proportional to 292,593.70, 438,902.70 and 92,908.45 is: 139,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,593.70 : 438,902.70 = 92,908.45 : x
  2. Step 2: Convert to fraction form
    292,593.70/438,902.70 = 92,908.45/x
  3. Step 3: Cross multiply
    292,593.70x = 438,902.70 × 92,908.45
  4. Step 4: Simplify right side
    292,593.70x = 40,777,769,557.82
  5. Step 5: Solve for x
    x = 40,777,769,557.82/292,593.70
  6. Step 6: Final answer
    x = 139,366.53

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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.