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Finding the Fourth Proportional to 295,671.60, 443,507.40 and 263,012.40

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Solution

The fourth proportional to 295,671.60, 443,507.40 and 263,012.40 is: 394,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,671.60 : 443,507.40 = 263,012.40 : x
  2. Step 2: Convert to fraction form
    295,671.60/443,507.40 = 263,012.40/x
  3. Step 3: Cross multiply
    295,671.60x = 443,507.40 × 263,012.40
  4. Step 4: Simplify right side
    295,671.60x = 116,647,945,691.76
  5. Step 5: Solve for x
    x = 116,647,945,691.76/295,671.60
  6. Step 6: Final answer
    x = 394,518.60

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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.