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Finding the Fourth Proportional to 477,578.61, 659,152.57 and 273,766.27

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Solution

The fourth proportional to 477,578.61, 659,152.57 and 273,766.27 is: 377,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,578.61 : 659,152.57 = 273,766.27 : x
  2. Step 2: Convert to fraction form
    477,578.61/659,152.57 = 273,766.27/x
  3. Step 3: Cross multiply
    477,578.61x = 659,152.57 × 273,766.27
  4. Step 4: Simplify right side
    477,578.61x = 180,453,740,094.76
  5. Step 5: Solve for x
    x = 180,453,740,094.76/477,578.61
  6. Step 6: Final answer
    x = 377,851.39

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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.