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Finding the Fourth Proportional to 330,763.60, 495,519.37 and 195,422.93

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Solution

The fourth proportional to 330,763.60, 495,519.37 and 195,422.93 is: 292,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,763.60 : 495,519.37 = 195,422.93 : x
  2. Step 2: Convert to fraction form
    330,763.60/495,519.37 = 195,422.93/x
  3. Step 3: Cross multiply
    330,763.60x = 495,519.37 × 195,422.93
  4. Step 4: Simplify right side
    330,763.60x = 96,835,847,157.15
  5. Step 5: Solve for x
    x = 96,835,847,157.15/330,763.60
  6. Step 6: Final answer
    x = 292,764.52

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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.