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Finding the Fourth Proportional to 366,496.40, 549,485.40 and 166,912.40

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Solution

The fourth proportional to 366,496.40, 549,485.40 and 166,912.40 is: 250,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,496.40 : 549,485.40 = 166,912.40 : x
  2. Step 2: Convert to fraction form
    366,496.40/549,485.40 = 166,912.40/x
  3. Step 3: Cross multiply
    366,496.40x = 549,485.40 × 166,912.40
  4. Step 4: Simplify right side
    366,496.40x = 91,715,926,878.96
  5. Step 5: Solve for x
    x = 91,715,926,878.96/366,496.40
  6. Step 6: Final answer
    x = 250,250.55

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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.