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Finding the Fourth Proportional to 618,500.52, 853,551.60 and 590,157

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Solution

The fourth proportional to 618,500.52, 853,551.60 and 590,157 is: 814,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,500.52 : 853,551.60 = 590,157 : x
  2. Step 2: Convert to fraction form
    618,500.52/853,551.60 = 590,157/x
  3. Step 3: Cross multiply
    618,500.52x = 853,551.60 × 590,157
  4. Step 4: Simplify right side
    618,500.52x = 503,729,451,601.20
  5. Step 5: Solve for x
    x = 503,729,451,601.20/618,500.52
  6. Step 6: Final answer
    x = 814,436.59

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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.