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Finding the Fourth Proportional to 613,324.85, 846,388.37 and 341,386.97

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Solution

The fourth proportional to 613,324.85, 846,388.37 and 341,386.97 is: 471,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,324.85 : 846,388.37 = 341,386.97 : x
  2. Step 2: Convert to fraction form
    613,324.85/846,388.37 = 341,386.97/x
  3. Step 3: Cross multiply
    613,324.85x = 846,388.37 × 341,386.97
  4. Step 4: Simplify right side
    613,324.85x = 288,945,957,699.07
  5. Step 5: Solve for x
    x = 288,945,957,699.07/613,324.85
  6. Step 6: Final answer
    x = 471,114.06

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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.