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Finding the Fourth Proportional to 296,695.60, 445,043.32 and 197,050.32

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Solution

The fourth proportional to 296,695.60, 445,043.32 and 197,050.32 is: 295,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,695.60 : 445,043.32 = 197,050.32 : x
  2. Step 2: Convert to fraction form
    296,695.60/445,043.32 = 197,050.32/x
  3. Step 3: Cross multiply
    296,695.60x = 445,043.32 × 197,050.32
  4. Step 4: Simplify right side
    296,695.60x = 87,695,928,619.86
  5. Step 5: Solve for x
    x = 87,695,928,619.86/296,695.60
  6. Step 6: Final answer
    x = 295,575.43

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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.