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Finding the Fourth Proportional to 295,665.60, 443,498.40 and 108,652.80

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Solution

The fourth proportional to 295,665.60, 443,498.40 and 108,652.80 is: 162,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,665.60 : 443,498.40 = 108,652.80 : x
  2. Step 2: Convert to fraction form
    295,665.60/443,498.40 = 108,652.80/x
  3. Step 3: Cross multiply
    295,665.60x = 443,498.40 × 108,652.80
  4. Step 4: Simplify right side
    295,665.60x = 48,187,342,955.52
  5. Step 5: Solve for x
    x = 48,187,342,955.52/295,665.60
  6. Step 6: Final answer
    x = 162,979.20

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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.