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Finding the Fourth Proportional to 475,765.44, 656,575.23 and 260,913.21

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Solution

The fourth proportional to 475,765.44, 656,575.23 and 260,913.21 is: 360,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,765.44 : 656,575.23 = 260,913.21 : x
  2. Step 2: Convert to fraction form
    475,765.44/656,575.23 = 260,913.21/x
  3. Step 3: Cross multiply
    475,765.44x = 656,575.23 × 260,913.21
  4. Step 4: Simplify right side
    475,765.44x = 171,309,150,865.79
  5. Step 5: Solve for x
    x = 171,309,150,865.79/475,765.44
  6. Step 6: Final answer
    x = 360,070.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.