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Finding the Fourth Proportional to 192,455.60, 288,683.40 and 183,270.20

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Solution

The fourth proportional to 192,455.60, 288,683.40 and 183,270.20 is: 274,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,455.60 : 288,683.40 = 183,270.20 : x
  2. Step 2: Convert to fraction form
    192,455.60/288,683.40 = 183,270.20/x
  3. Step 3: Cross multiply
    192,455.60x = 288,683.40 × 183,270.20
  4. Step 4: Simplify right side
    192,455.60x = 52,907,064,454.68
  5. Step 5: Solve for x
    x = 52,907,064,454.68/192,455.60
  6. Step 6: Final answer
    x = 274,905.30

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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.