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Finding the Fourth Proportional to 648,559.57, 968,581.39 and 552,768.97

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Solution

The fourth proportional to 648,559.57, 968,581.39 and 552,768.97 is: 825,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,559.57 : 968,581.39 = 552,768.97 : x
  2. Step 2: Convert to fraction form
    648,559.57/968,581.39 = 552,768.97/x
  3. Step 3: Cross multiply
    648,559.57x = 968,581.39 × 552,768.97
  4. Step 4: Simplify right side
    648,559.57x = 535,401,737,311.47
  5. Step 5: Solve for x
    x = 535,401,737,311.47/648,559.57
  6. Step 6: Final answer
    x = 825,524.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.