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Finding the Fourth Proportional to 648,847.52, 888,906.28 and 624,588.92

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Solution

The fourth proportional to 648,847.52, 888,906.28 and 624,588.92 is: 855,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,847.52 : 888,906.28 = 624,588.92 : x
  2. Step 2: Convert to fraction form
    648,847.52/888,906.28 = 624,588.92/x
  3. Step 3: Cross multiply
    648,847.52x = 888,906.28 × 624,588.92
  4. Step 4: Simplify right side
    648,847.52x = 555,201,013,406.42
  5. Step 5: Solve for x
    x = 555,201,013,406.42/648,847.52
  6. Step 6: Final answer
    x = 855,672.55

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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.