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Finding the Fourth Proportional to 981,797.94, 1,354,889.22 and 552,074.28

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Solution

The fourth proportional to 981,797.94, 1,354,889.22 and 552,074.28 is: 761,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,797.94 : 1,354,889.22 = 552,074.28 : x
  2. Step 2: Convert to fraction form
    981,797.94/1,354,889.22 = 552,074.28/x
  3. Step 3: Cross multiply
    981,797.94x = 1,354,889.22 × 552,074.28
  4. Step 4: Simplify right side
    981,797.94x = 747,999,490,611.26
  5. Step 5: Solve for x
    x = 747,999,490,611.26/981,797.94
  6. Step 6: Final answer
    x = 761,867.04

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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.