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Finding the Fourth Proportional to 477,496.96, 659,039.42 and 273,684.51

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Solution

The fourth proportional to 477,496.96, 659,039.42 and 273,684.51 is: 377,738.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,496.96 : 659,039.42 = 273,684.51 : x
  2. Step 2: Convert to fraction form
    477,496.96/659,039.42 = 273,684.51/x
  3. Step 3: Cross multiply
    477,496.96x = 659,039.42 × 273,684.51
  4. Step 4: Simplify right side
    477,496.96x = 180,368,881,417.60
  5. Step 5: Solve for x
    x = 180,368,881,417.60/477,496.96
  6. Step 6: Final answer
    x = 377,738.28

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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.