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Finding the Fourth Proportional to 248,683.80, 373,025.70 and 214,858.20

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Solution

The fourth proportional to 248,683.80, 373,025.70 and 214,858.20 is: 322,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,683.80 : 373,025.70 = 214,858.20 : x
  2. Step 2: Convert to fraction form
    248,683.80/373,025.70 = 214,858.20/x
  3. Step 3: Cross multiply
    248,683.80x = 373,025.70 × 214,858.20
  4. Step 4: Simplify right side
    248,683.80x = 80,147,630,455.74
  5. Step 5: Solve for x
    x = 80,147,630,455.74/248,683.80
  6. Step 6: Final answer
    x = 322,287.30

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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.