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Finding the Fourth Proportional to 565,664.44, 780,633.17 and 344,914.67

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Solution

The fourth proportional to 565,664.44, 780,633.17 and 344,914.67 is: 475,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,664.44 : 780,633.17 = 344,914.67 : x
  2. Step 2: Convert to fraction form
    565,664.44/780,633.17 = 344,914.67/x
  3. Step 3: Cross multiply
    565,664.44x = 780,633.17 × 344,914.67
  4. Step 4: Simplify right side
    565,664.44x = 269,251,835,035.47
  5. Step 5: Solve for x
    x = 269,251,835,035.47/565,664.44
  6. Step 6: Final answer
    x = 475,992.16

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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.