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Finding the Fourth Proportional to 477,389.94, 658,611.66 and 273,331.80

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Solution

The fourth proportional to 477,389.94, 658,611.66 and 273,331.80 is: 377,091.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,389.94 : 658,611.66 = 273,331.80 : x
  2. Step 2: Convert to fraction form
    477,389.94/658,611.66 = 273,331.80/x
  3. Step 3: Cross multiply
    477,389.94x = 658,611.66 × 273,331.80
  4. Step 4: Simplify right side
    477,389.94x = 180,019,510,528.79
  5. Step 5: Solve for x
    x = 180,019,510,528.79/477,389.94
  6. Step 6: Final answer
    x = 377,091.13

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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.