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Finding the Fourth Proportional to 400,427.54, 600,694.16 and 147,885.53

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Solution

The fourth proportional to 400,427.54, 600,694.16 and 147,885.53 is: 221,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,427.54 : 600,694.16 = 147,885.53 : x
  2. Step 2: Convert to fraction form
    400,427.54/600,694.16 = 147,885.53/x
  3. Step 3: Cross multiply
    400,427.54x = 600,694.16 × 147,885.53
  4. Step 4: Simplify right side
    400,427.54x = 88,833,974,219.50
  5. Step 5: Solve for x
    x = 88,833,974,219.50/400,427.54
  6. Step 6: Final answer
    x = 221,847.81

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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.