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Finding the Fourth Proportional to 444,057.32, 612,913.02 and 274,193.84

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Solution

The fourth proportional to 444,057.32, 612,913.02 and 274,193.84 is: 378,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,057.32 : 612,913.02 = 274,193.84 : x
  2. Step 2: Convert to fraction form
    444,057.32/612,913.02 = 274,193.84/x
  3. Step 3: Cross multiply
    444,057.32x = 612,913.02 × 274,193.84
  4. Step 4: Simplify right side
    444,057.32x = 168,056,974,539.80
  5. Step 5: Solve for x
    x = 168,056,974,539.80/444,057.32
  6. Step 6: Final answer
    x = 378,457.84

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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.