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Finding the Fourth Proportional to 366,956.33, 550,434.49 and 353,670.30

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Solution

The fourth proportional to 366,956.33, 550,434.49 and 353,670.30 is: 530,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,956.33 : 550,434.49 = 353,670.30 : x
  2. Step 2: Convert to fraction form
    366,956.33/550,434.49 = 353,670.30/x
  3. Step 3: Cross multiply
    366,956.33x = 550,434.49 × 353,670.30
  4. Step 4: Simplify right side
    366,956.33x = 194,672,330,324.47
  5. Step 5: Solve for x
    x = 194,672,330,324.47/366,956.33
  6. Step 6: Final answer
    x = 530,505.45

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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.