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Finding the Fourth Proportional to 198,801.60, 298,365.60 and 197,246.40

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Solution

The fourth proportional to 198,801.60, 298,365.60 and 197,246.40 is: 296,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,801.60 : 298,365.60 = 197,246.40 : x
  2. Step 2: Convert to fraction form
    198,801.60/298,365.60 = 197,246.40/x
  3. Step 3: Cross multiply
    198,801.60x = 298,365.60 × 197,246.40
  4. Step 4: Simplify right side
    198,801.60x = 58,851,540,483.84
  5. Step 5: Solve for x
    x = 58,851,540,483.84/198,801.60
  6. Step 6: Final answer
    x = 296,031.52

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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.