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Finding the Fourth Proportional to 475,573.44, 656,287.20 and 260,709.60

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Solution

The fourth proportional to 475,573.44, 656,287.20 and 260,709.60 is: 359,776.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,573.44 : 656,287.20 = 260,709.60 : x
  2. Step 2: Convert to fraction form
    475,573.44/656,287.20 = 260,709.60/x
  3. Step 3: Cross multiply
    475,573.44x = 656,287.20 × 260,709.60
  4. Step 4: Simplify right side
    475,573.44x = 171,100,373,397.12
  5. Step 5: Solve for x
    x = 171,100,373,397.12/475,573.44
  6. Step 6: Final answer
    x = 359,776.97

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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.