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Finding the Fourth Proportional to 885,901.92, 1,222,527.60 and 483,496.80

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Solution

The fourth proportional to 885,901.92, 1,222,527.60 and 483,496.80 is: 667,216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,901.92 : 1,222,527.60 = 483,496.80 : x
  2. Step 2: Convert to fraction form
    885,901.92/1,222,527.60 = 483,496.80/x
  3. Step 3: Cross multiply
    885,901.92x = 1,222,527.60 × 483,496.80
  4. Step 4: Simplify right side
    885,901.92x = 591,088,182,511.68
  5. Step 5: Solve for x
    x = 591,088,182,511.68/885,901.92
  6. Step 6: Final answer
    x = 667,216.28

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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.