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Finding the Fourth Proportional to 244,989.20, 367,483.80 and 213,885.20

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Solution

The fourth proportional to 244,989.20, 367,483.80 and 213,885.20 is: 320,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,989.20 : 367,483.80 = 213,885.20 : x
  2. Step 2: Convert to fraction form
    244,989.20/367,483.80 = 213,885.20/x
  3. Step 3: Cross multiply
    244,989.20x = 367,483.80 × 213,885.20
  4. Step 4: Simplify right side
    244,989.20x = 78,599,346,059.76
  5. Step 5: Solve for x
    x = 78,599,346,059.76/244,989.20
  6. Step 6: Final answer
    x = 320,827.80

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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.