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Finding the Fourth Proportional to 298,662.60, 448,512.30 and 158,694.60

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Solution

The fourth proportional to 298,662.60, 448,512.30 and 158,694.60 is: 238,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,662.60 : 448,512.30 = 158,694.60 : x
  2. Step 2: Convert to fraction form
    298,662.60/448,512.30 = 158,694.60/x
  3. Step 3: Cross multiply
    298,662.60x = 448,512.30 × 158,694.60
  4. Step 4: Simplify right side
    298,662.60x = 71,176,480,043.58
  5. Step 5: Solve for x
    x = 71,176,480,043.58/298,662.60
  6. Step 6: Final answer
    x = 238,317.35

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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.