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Finding the Fourth Proportional to 183,438.40, 274,720.20 and 183,438.40

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Solution

The fourth proportional to 183,438.40, 274,720.20 and 183,438.40 is: 274,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,438.40 : 274,720.20 = 183,438.40 : x
  2. Step 2: Convert to fraction form
    183,438.40/274,720.20 = 183,438.40/x
  3. Step 3: Cross multiply
    183,438.40x = 274,720.20 × 183,438.40
  4. Step 4: Simplify right side
    183,438.40x = 50,394,233,935.68
  5. Step 5: Solve for x
    x = 50,394,233,935.68/183,438.40
  6. Step 6: Final answer
    x = 274,720.20

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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.