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Finding the Fourth Proportional to 275,803.92, 380,563.38 and 162,649.08

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Solution

The fourth proportional to 275,803.92, 380,563.38 and 162,649.08 is: 224,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,803.92 : 380,563.38 = 162,649.08 : x
  2. Step 2: Convert to fraction form
    275,803.92/380,563.38 = 162,649.08/x
  3. Step 3: Cross multiply
    275,803.92x = 380,563.38 × 162,649.08
  4. Step 4: Simplify right side
    275,803.92x = 61,898,283,638.69
  5. Step 5: Solve for x
    x = 61,898,283,638.69/275,803.92
  6. Step 6: Final answer
    x = 224,428.59

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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.