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Finding the Fourth Proportional to 383,989.98, 575,859.81 and 181,566.06

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Solution

The fourth proportional to 383,989.98, 575,859.81 and 181,566.06 is: 272,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,989.98 : 575,859.81 = 181,566.06 : x
  2. Step 2: Convert to fraction form
    383,989.98/575,859.81 = 181,566.06/x
  3. Step 3: Cross multiply
    383,989.98x = 575,859.81 × 181,566.06
  4. Step 4: Simplify right side
    383,989.98x = 104,556,596,814.05
  5. Step 5: Solve for x
    x = 104,556,596,814.05/383,989.98
  6. Step 6: Final answer
    x = 272,289.91

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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.