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Finding the Fourth Proportional to 273,799.05, 409,699.43 and 161,533.05

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Solution

The fourth proportional to 273,799.05, 409,699.43 and 161,533.05 is: 241,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,799.05 : 409,699.43 = 161,533.05 : x
  2. Step 2: Convert to fraction form
    273,799.05/409,699.43 = 161,533.05/x
  3. Step 3: Cross multiply
    273,799.05x = 409,699.43 × 161,533.05
  4. Step 4: Simplify right side
    273,799.05x = 66,179,998,511.16
  5. Step 5: Solve for x
    x = 66,179,998,511.16/273,799.05
  6. Step 6: Final answer
    x = 241,710.11

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1.5x scale

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.