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Finding the Fourth Proportional to 298,009.48, 411,247.26 and 162,042.24

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Solution

The fourth proportional to 298,009.48, 411,247.26 and 162,042.24 is: 223,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,009.48 : 411,247.26 = 162,042.24 : x
  2. Step 2: Convert to fraction form
    298,009.48/411,247.26 = 162,042.24/x
  3. Step 3: Cross multiply
    298,009.48x = 411,247.26 × 162,042.24
  4. Step 4: Simplify right side
    298,009.48x = 66,639,427,811.92
  5. Step 5: Solve for x
    x = 66,639,427,811.92/298,009.48
  6. Step 6: Final answer
    x = 223,615.13

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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.