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Finding the Fourth Proportional to 648,847.48, 888,906.22 and 624,588.84

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Solution

The fourth proportional to 648,847.48, 888,906.22 and 624,588.84 is: 855,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,847.48 : 888,906.22 = 624,588.84 : x
  2. Step 2: Convert to fraction form
    648,847.48/888,906.22 = 624,588.84/x
  3. Step 3: Cross multiply
    648,847.48x = 888,906.22 × 624,588.84
  4. Step 4: Simplify right side
    648,847.48x = 555,200,904,818.59
  5. Step 5: Solve for x
    x = 555,200,904,818.59/648,847.48
  6. Step 6: Final answer
    x = 855,672.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.