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Finding the Fourth Proportional to 263,369.83, 395,066.01 and 103,480.39

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Solution

The fourth proportional to 263,369.83, 395,066.01 and 103,480.39 is: 155,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,369.83 : 395,066.01 = 103,480.39 : x
  2. Step 2: Convert to fraction form
    263,369.83/395,066.01 = 103,480.39/x
  3. Step 3: Cross multiply
    263,369.83x = 395,066.01 × 103,480.39
  4. Step 4: Simplify right side
    263,369.83x = 40,881,584,790.54
  5. Step 5: Solve for x
    x = 40,881,584,790.54/263,369.83
  6. Step 6: Final answer
    x = 155,225.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.