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Finding the Fourth Proportional to 618,480.56, 847,108.06 and 582,166.64

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Solution

The fourth proportional to 618,480.56, 847,108.06 and 582,166.64 is: 797,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,480.56 : 847,108.06 = 582,166.64 : x
  2. Step 2: Convert to fraction form
    618,480.56/847,108.06 = 582,166.64/x
  3. Step 3: Cross multiply
    618,480.56x = 847,108.06 × 582,166.64
  4. Step 4: Simplify right side
    618,480.56x = 493,158,053,007.12
  5. Step 5: Solve for x
    x = 493,158,053,007.12/618,480.56
  6. Step 6: Final answer
    x = 797,370.34

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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.