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Finding the Fourth Proportional to 284,193.43, 392,014.79 and 169,395.57

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Solution

The fourth proportional to 284,193.43, 392,014.79 and 169,395.57 is: 233,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,193.43 : 392,014.79 = 169,395.57 : x
  2. Step 2: Convert to fraction form
    284,193.43/392,014.79 = 169,395.57/x
  3. Step 3: Cross multiply
    284,193.43x = 392,014.79 × 169,395.57
  4. Step 4: Simplify right side
    284,193.43x = 66,405,568,588.74
  5. Step 5: Solve for x
    x = 66,405,568,588.74/284,193.43
  6. Step 6: Final answer
    x = 233,663.28

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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.