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Finding the Fourth Proportional to 237,406.40, 356,109.60 and 211,601.60

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Solution

The fourth proportional to 237,406.40, 356,109.60 and 211,601.60 is: 317,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,406.40 : 356,109.60 = 211,601.60 : x
  2. Step 2: Convert to fraction form
    237,406.40/356,109.60 = 211,601.60/x
  3. Step 3: Cross multiply
    237,406.40x = 356,109.60 × 211,601.60
  4. Step 4: Simplify right side
    237,406.40x = 75,353,361,135.36
  5. Step 5: Solve for x
    x = 75,353,361,135.36/237,406.40
  6. Step 6: Final answer
    x = 317,402.40

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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.