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Finding the Fourth Proportional to 292,483.44, 438,661.78 and 170,822.66

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Solution

The fourth proportional to 292,483.44, 438,661.78 and 170,822.66 is: 256,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,483.44 : 438,661.78 = 170,822.66 : x
  2. Step 2: Convert to fraction form
    292,483.44/438,661.78 = 170,822.66/x
  3. Step 3: Cross multiply
    292,483.44x = 438,661.78 × 170,822.66
  4. Step 4: Simplify right side
    292,483.44x = 74,933,372,099.93
  5. Step 5: Solve for x
    x = 74,933,372,099.93/292,483.44
  6. Step 6: Final answer
    x = 256,196.97

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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.