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Finding the Fourth Proportional to 477,902.60, 659,500.36 and 263,038.04

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Solution

The fourth proportional to 477,902.60, 659,500.36 and 263,038.04 is: 362,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,902.60 : 659,500.36 = 263,038.04 : x
  2. Step 2: Convert to fraction form
    477,902.60/659,500.36 = 263,038.04/x
  3. Step 3: Cross multiply
    477,902.60x = 659,500.36 × 263,038.04
  4. Step 4: Simplify right side
    477,902.60x = 173,473,682,073.69
  5. Step 5: Solve for x
    x = 173,473,682,073.69/477,902.60
  6. Step 6: Final answer
    x = 362,989.62

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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.