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Finding the Fourth Proportional to 383,419.36, 575,066.69 and 181,015.08

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Solution

The fourth proportional to 383,419.36, 575,066.69 and 181,015.08 is: 271,493.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,419.36 : 575,066.69 = 181,015.08 : x
  2. Step 2: Convert to fraction form
    383,419.36/575,066.69 = 181,015.08/x
  3. Step 3: Cross multiply
    383,419.36x = 575,066.69 × 181,015.08
  4. Step 4: Simplify right side
    383,419.36x = 104,095,740,512.92
  5. Step 5: Solve for x
    x = 104,095,740,512.92/383,419.36
  6. Step 6: Final answer
    x = 271,493.18

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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.