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Finding the Fourth Proportional to 298,863.30, 448,550.10 and 121,497.60

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Solution

The fourth proportional to 298,863.30, 448,550.10 and 121,497.60 is: 182,350.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,863.30 : 448,550.10 = 121,497.60 : x
  2. Step 2: Convert to fraction form
    298,863.30/448,550.10 = 121,497.60/x
  3. Step 3: Cross multiply
    298,863.30x = 448,550.10 × 121,497.60
  4. Step 4: Simplify right side
    298,863.30x = 54,497,760,629.76
  5. Step 5: Solve for x
    x = 54,497,760,629.76/298,863.30
  6. Step 6: Final answer
    x = 182,350.13

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1.5x scale

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.