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Finding the Fourth Proportional to 477,726.69, 659,187.55 and 273,738.39

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Solution

The fourth proportional to 477,726.69, 659,187.55 and 273,738.39 is: 377,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,726.69 : 659,187.55 = 273,738.39 : x
  2. Step 2: Convert to fraction form
    477,726.69/659,187.55 = 273,738.39/x
  3. Step 3: Cross multiply
    477,726.69x = 659,187.55 × 273,738.39
  4. Step 4: Simplify right side
    477,726.69x = 180,444,936,515.26
  5. Step 5: Solve for x
    x = 180,444,936,515.26/477,726.69
  6. Step 6: Final answer
    x = 377,715.83

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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.