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Finding the Fourth Proportional to 284,039.44, 392,025.13 and 169,325.48

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Solution

The fourth proportional to 284,039.44, 392,025.13 and 169,325.48 is: 233,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,039.44 : 392,025.13 = 169,325.48 : x
  2. Step 2: Convert to fraction form
    284,039.44/392,025.13 = 169,325.48/x
  3. Step 3: Cross multiply
    284,039.44x = 392,025.13 × 169,325.48
  4. Step 4: Simplify right side
    284,039.44x = 66,379,845,604.68
  5. Step 5: Solve for x
    x = 66,379,845,604.68/284,039.44
  6. Step 6: Final answer
    x = 233,699.39

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1.5x scale

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.