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Finding the Fourth Proportional to 488,733.60, 733,100.40 and 330,103.20

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Solution

The fourth proportional to 488,733.60, 733,100.40 and 330,103.20 is: 495,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,733.60 : 733,100.40 = 330,103.20 : x
  2. Step 2: Convert to fraction form
    488,733.60/733,100.40 = 330,103.20/x
  3. Step 3: Cross multiply
    488,733.60x = 733,100.40 × 330,103.20
  4. Step 4: Simplify right side
    488,733.60x = 241,998,787,961.28
  5. Step 5: Solve for x
    x = 241,998,787,961.28/488,733.60
  6. Step 6: Final answer
    x = 495,154.80

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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.