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Finding the Fourth Proportional to 701,813.21, 968,502.65 and 379,523.29

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Solution

The fourth proportional to 701,813.21, 968,502.65 and 379,523.29 is: 523,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,813.21 : 968,502.65 = 379,523.29 : x
  2. Step 2: Convert to fraction form
    701,813.21/968,502.65 = 379,523.29/x
  3. Step 3: Cross multiply
    701,813.21x = 968,502.65 × 379,523.29
  4. Step 4: Simplify right side
    701,813.21x = 367,569,312,101.72
  5. Step 5: Solve for x
    x = 367,569,312,101.72/701,813.21
  6. Step 6: Final answer
    x = 523,742.37

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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.