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Finding the Fourth Proportional to 941,794.23, 1,299,640.23 and 512,074.71

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Solution

The fourth proportional to 941,794.23, 1,299,640.23 and 512,074.71 is: 706,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,794.23 : 1,299,640.23 = 512,074.71 : x
  2. Step 2: Convert to fraction form
    941,794.23/1,299,640.23 = 512,074.71/x
  3. Step 3: Cross multiply
    941,794.23x = 1,299,640.23 × 512,074.71
  4. Step 4: Simplify right side
    941,794.23x = 665,512,893,881.58
  5. Step 5: Solve for x
    x = 665,512,893,881.58/941,794.23
  6. Step 6: Final answer
    x = 706,643.63

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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.