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Finding the Fourth Proportional to 477,995.50, 659,677.71 and 263,179.18

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Solution

The fourth proportional to 477,995.50, 659,677.71 and 263,179.18 is: 363,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,995.50 : 659,677.71 = 263,179.18 : x
  2. Step 2: Convert to fraction form
    477,995.50/659,677.71 = 263,179.18/x
  3. Step 3: Cross multiply
    477,995.50x = 659,677.71 × 263,179.18
  4. Step 4: Simplify right side
    477,995.50x = 173,613,438,782.08
  5. Step 5: Solve for x
    x = 173,613,438,782.08/477,995.50
  6. Step 6: Final answer
    x = 363,211.45

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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.