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Finding the Fourth Proportional to 333.60, 499.50 and 189.06

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Solution

The fourth proportional to 333.60, 499.50 and 189.06 is: 283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.60 : 499.50 = 189.06 : x
  2. Step 2: Convert to fraction form
    333.60/499.50 = 189.06/x
  3. Step 3: Cross multiply
    333.60x = 499.50 × 189.06
  4. Step 4: Simplify right side
    333.60x = 94,435.47
  5. Step 5: Solve for x
    x = 94,435.47/333.60
  6. Step 6: Final answer
    x = 283.08

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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.