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Finding the Fourth Proportional to 441,438.40, 662,157.60 and 109,014.40

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Solution

The fourth proportional to 441,438.40, 662,157.60 and 109,014.40 is: 163,521.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,438.40 : 662,157.60 = 109,014.40 : x
  2. Step 2: Convert to fraction form
    441,438.40/662,157.60 = 109,014.40/x
  3. Step 3: Cross multiply
    441,438.40x = 662,157.60 × 109,014.40
  4. Step 4: Simplify right side
    441,438.40x = 72,184,713,469.44
  5. Step 5: Solve for x
    x = 72,184,713,469.44/441,438.40
  6. Step 6: Final answer
    x = 163,521.60

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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.