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Finding the Fourth Proportional to 477,630.19, 659,223.81 and 273,817.93

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Solution

The fourth proportional to 477,630.19, 659,223.81 and 273,817.93 is: 377,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,630.19 : 659,223.81 = 273,817.93 : x
  2. Step 2: Convert to fraction form
    477,630.19/659,223.81 = 273,817.93/x
  3. Step 3: Cross multiply
    477,630.19x = 659,223.81 × 273,817.93
  4. Step 4: Simplify right side
    477,630.19x = 180,507,299,060.91
  5. Step 5: Solve for x
    x = 180,507,299,060.91/477,630.19
  6. Step 6: Final answer
    x = 377,922.72

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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.