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Finding the Fourth Proportional to 613,493.27, 846,401.51 and 355,229.22

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Solution

The fourth proportional to 613,493.27, 846,401.51 and 355,229.22 is: 490,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,493.27 : 846,401.51 = 355,229.22 : x
  2. Step 2: Convert to fraction form
    613,493.27/846,401.51 = 355,229.22/x
  3. Step 3: Cross multiply
    613,493.27x = 846,401.51 × 355,229.22
  4. Step 4: Simplify right side
    613,493.27x = 300,666,549,092.20
  5. Step 5: Solve for x
    x = 300,666,549,092.20/613,493.27
  6. Step 6: Final answer
    x = 490,089.40

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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.