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Finding the Fourth Proportional to 333,396.38, 500,138.51 and 108,678.08

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Solution

The fourth proportional to 333,396.38, 500,138.51 and 108,678.08 is: 163,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,396.38 : 500,138.51 = 108,678.08 : x
  2. Step 2: Convert to fraction form
    333,396.38/500,138.51 = 108,678.08/x
  3. Step 3: Cross multiply
    333,396.38x = 500,138.51 × 108,678.08
  4. Step 4: Simplify right side
    333,396.38x = 54,354,089,956.78
  5. Step 5: Solve for x
    x = 54,354,089,956.78/333,396.38
  6. Step 6: Final answer
    x = 163,031.44

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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.