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Finding the Fourth Proportional to 744,744, 1,027,668.96 and 422,351.04

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Solution

The fourth proportional to 744,744, 1,027,668.96 and 422,351.04 is: 582,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,744 : 1,027,668.96 = 422,351.04 : x
  2. Step 2: Convert to fraction form
    744,744/1,027,668.96 = 422,351.04/x
  3. Step 3: Cross multiply
    744,744x = 1,027,668.96 × 422,351.04
  4. Step 4: Simplify right side
    744,744x = 434,037,054,031.72
  5. Step 5: Solve for x
    x = 434,037,054,031.72/744,744
  6. Step 6: Final answer
    x = 582,800.34

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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.