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Finding the Fourth Proportional to 295,959.60, 443,939.40 and 108,946.80

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Solution

The fourth proportional to 295,959.60, 443,939.40 and 108,946.80 is: 163,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,959.60 : 443,939.40 = 108,946.80 : x
  2. Step 2: Convert to fraction form
    295,959.60/443,939.40 = 108,946.80/x
  3. Step 3: Cross multiply
    295,959.60x = 443,939.40 × 108,946.80
  4. Step 4: Simplify right side
    295,959.60x = 48,365,777,023.92
  5. Step 5: Solve for x
    x = 48,365,777,023.92/295,959.60
  6. Step 6: Final answer
    x = 163,420.20

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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.