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Finding the Fourth Proportional to 885,879.95, 1,222,514.36 and 483,471.95

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Solution

The fourth proportional to 885,879.95, 1,222,514.36 and 483,471.95 is: 667,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,879.95 : 1,222,514.36 = 483,471.95 : x
  2. Step 2: Convert to fraction form
    885,879.95/1,222,514.36 = 483,471.95/x
  3. Step 3: Cross multiply
    885,879.95x = 1,222,514.36 × 483,471.95
  4. Step 4: Simplify right side
    885,879.95x = 591,051,393,002.27
  5. Step 5: Solve for x
    x = 591,051,393,002.27/885,879.95
  6. Step 6: Final answer
    x = 667,191.30

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Double scale
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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.