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Finding the Fourth Proportional to 255,859.60, 383,478.05 and 181,001.33

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Solution

The fourth proportional to 255,859.60, 383,478.05 and 181,001.33 is: 271,281.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,859.60 : 383,478.05 = 181,001.33 : x
  2. Step 2: Convert to fraction form
    255,859.60/383,478.05 = 181,001.33/x
  3. Step 3: Cross multiply
    255,859.60x = 383,478.05 × 181,001.33
  4. Step 4: Simplify right side
    255,859.60x = 69,410,034,253.41
  5. Step 5: Solve for x
    x = 69,410,034,253.41/255,859.60
  6. Step 6: Final answer
    x = 271,281.73

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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.