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Finding the Fourth Proportional to 244,931.20, 367,396.80 and 213,827.20

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Solution

The fourth proportional to 244,931.20, 367,396.80 and 213,827.20 is: 320,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,931.20 : 367,396.80 = 213,827.20 : x
  2. Step 2: Convert to fraction form
    244,931.20/367,396.80 = 213,827.20/x
  3. Step 3: Cross multiply
    244,931.20x = 367,396.80 × 213,827.20
  4. Step 4: Simplify right side
    244,931.20x = 78,559,429,032.96
  5. Step 5: Solve for x
    x = 78,559,429,032.96/244,931.20
  6. Step 6: Final answer
    x = 320,740.80

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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.