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Finding the Fourth Proportional to 613,471.62, 846,393.93 and 371,676.90

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Solution

The fourth proportional to 613,471.62, 846,393.93 and 371,676.90 is: 512,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,471.62 : 846,393.93 = 371,676.90 : x
  2. Step 2: Convert to fraction form
    613,471.62/846,393.93 = 371,676.90/x
  3. Step 3: Cross multiply
    613,471.62x = 846,393.93 × 371,676.90
  4. Step 4: Simplify right side
    613,471.62x = 314,585,072,081.22
  5. Step 5: Solve for x
    x = 314,585,072,081.22/613,471.62
  6. Step 6: Final answer
    x = 512,794.83

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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.