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Finding the Fourth Proportional to 613,398.75, 846,481.17 and 341,466.15

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Solution

The fourth proportional to 613,398.75, 846,481.17 and 341,466.15 is: 471,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,398.75 : 846,481.17 = 341,466.15 : x
  2. Step 2: Convert to fraction form
    613,398.75/846,481.17 = 341,466.15/x
  3. Step 3: Cross multiply
    613,398.75x = 846,481.17 × 341,466.15
  4. Step 4: Simplify right side
    613,398.75x = 289,044,666,167.40
  5. Step 5: Solve for x
    x = 289,044,666,167.40/613,398.75
  6. Step 6: Final answer
    x = 471,218.22

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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.