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Finding the Fourth Proportional to 383,991.48, 575,862.06 and 181,567.56

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Solution

The fourth proportional to 383,991.48, 575,862.06 and 181,567.56 is: 272,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,991.48 : 575,862.06 = 181,567.56 : x
  2. Step 2: Convert to fraction form
    383,991.48/575,862.06 = 181,567.56/x
  3. Step 3: Cross multiply
    383,991.48x = 575,862.06 × 181,567.56
  4. Step 4: Simplify right side
    383,991.48x = 104,557,869,130.77
  5. Step 5: Solve for x
    x = 104,557,869,130.77/383,991.48
  6. Step 6: Final answer
    x = 272,292.16

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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.