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Finding the Fourth Proportional to 477,930.34, 659,544.05 and 263,068.86

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Solution

The fourth proportional to 477,930.34, 659,544.05 and 263,068.86 is: 363,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,930.34 : 659,544.05 = 263,068.86 : x
  2. Step 2: Convert to fraction form
    477,930.34/659,544.05 = 263,068.86/x
  3. Step 3: Cross multiply
    477,930.34x = 659,544.05 × 263,068.86
  4. Step 4: Simplify right side
    477,930.34x = 173,505,502,010.96
  5. Step 5: Solve for x
    x = 173,505,502,010.96/477,930.34
  6. Step 6: Final answer
    x = 363,035.13

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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.