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Finding the Fourth Proportional to 701,630.01, 968,249.16 and 379,340.01

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Solution

The fourth proportional to 701,630.01, 968,249.16 and 379,340.01 is: 523,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,630.01 : 968,249.16 = 379,340.01 : x
  2. Step 2: Convert to fraction form
    701,630.01/968,249.16 = 379,340.01/x
  3. Step 3: Cross multiply
    701,630.01x = 968,249.16 × 379,340.01
  4. Step 4: Simplify right side
    701,630.01x = 367,295,646,036.89
  5. Step 5: Solve for x
    x = 367,295,646,036.89/701,630.01
  6. Step 6: Final answer
    x = 523,489.08

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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.