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Finding the Fourth Proportional to 275,673.33, 380,573.69 and 185,503.41

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Solution

The fourth proportional to 275,673.33, 380,573.69 and 185,503.41 is: 256,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,673.33 : 380,573.69 = 185,503.41 : x
  2. Step 2: Convert to fraction form
    275,673.33/380,573.69 = 185,503.41/x
  3. Step 3: Cross multiply
    275,673.33x = 380,573.69 × 185,503.41
  4. Step 4: Simplify right side
    275,673.33x = 70,597,716,323.77
  5. Step 5: Solve for x
    x = 70,597,716,323.77/275,673.33
  6. Step 6: Final answer
    x = 256,091.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.