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Finding the Fourth Proportional to 333.65, 498.53 and 293.56

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Solution

The fourth proportional to 333.65, 498.53 and 293.56 is: 438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.65 : 498.53 = 293.56 : x
  2. Step 2: Convert to fraction form
    333.65/498.53 = 293.56/x
  3. Step 3: Cross multiply
    333.65x = 498.53 × 293.56
  4. Step 4: Simplify right side
    333.65x = 146,348.47
  5. Step 5: Solve for x
    x = 146,348.47/333.65
  6. Step 6: Final answer
    x = 438.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.