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Finding the Fourth Proportional to 613,390.11, 846,418.98 and 452,331.87

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Solution

The fourth proportional to 613,390.11, 846,418.98 and 452,331.87 is: 624,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,390.11 : 846,418.98 = 452,331.87 : x
  2. Step 2: Convert to fraction form
    613,390.11/846,418.98 = 452,331.87/x
  3. Step 3: Cross multiply
    613,390.11x = 846,418.98 × 452,331.87
  4. Step 4: Simplify right side
    613,390.11x = 382,862,280,026.89
  5. Step 5: Solve for x
    x = 382,862,280,026.89/613,390.11
  6. Step 6: Final answer
    x = 624,174.20

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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.