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Finding the Fourth Proportional to 475,764.44, 656,573.85 and 260,912.21

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Solution

The fourth proportional to 475,764.44, 656,573.85 and 260,912.21 is: 360,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,764.44 : 656,573.85 = 260,912.21 : x
  2. Step 2: Convert to fraction form
    475,764.44/656,573.85 = 260,912.21/x
  3. Step 3: Cross multiply
    475,764.44x = 656,573.85 × 260,912.21
  4. Step 4: Simplify right side
    475,764.44x = 171,308,130,948.84
  5. Step 5: Solve for x
    x = 171,308,130,948.84/475,764.44
  6. Step 6: Final answer
    x = 360,069.22

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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.