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Finding the Fourth Proportional to 383,458.07, 575,124.81 and 181,053.78

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Solution

The fourth proportional to 383,458.07, 575,124.81 and 181,053.78 is: 271,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,458.07 : 575,124.81 = 181,053.78 : x
  2. Step 2: Convert to fraction form
    383,458.07/575,124.81 = 181,053.78/x
  3. Step 3: Cross multiply
    383,458.07x = 575,124.81 × 181,053.78
  4. Step 4: Simplify right side
    383,458.07x = 104,128,520,822.28
  5. Step 5: Solve for x
    x = 104,128,520,822.28/383,458.07
  6. Step 6: Final answer
    x = 271,551.26

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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.