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Finding the Fourth Proportional to 701,917.62, 968,646.30 and 379,627.74

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Solution

The fourth proportional to 701,917.62, 968,646.30 and 379,627.74 is: 523,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,917.62 : 968,646.30 = 379,627.74 : x
  2. Step 2: Convert to fraction form
    701,917.62/968,646.30 = 379,627.74/x
  3. Step 3: Cross multiply
    701,917.62x = 968,646.30 × 379,627.74
  4. Step 4: Simplify right side
    701,917.62x = 367,725,005,728.36
  5. Step 5: Solve for x
    x = 367,725,005,728.36/701,917.62
  6. Step 6: Final answer
    x = 523,886.27

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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.