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Finding the Fourth Proportional to 328,924.02, 453,915.02 and 178,021.02

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Solution

The fourth proportional to 328,924.02, 453,915.02 and 178,021.02 is: 245,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,924.02 : 453,915.02 = 178,021.02 : x
  2. Step 2: Convert to fraction form
    328,924.02/453,915.02 = 178,021.02/x
  3. Step 3: Cross multiply
    328,924.02x = 453,915.02 × 178,021.02
  4. Step 4: Simplify right side
    328,924.02x = 80,806,417,000.95
  5. Step 5: Solve for x
    x = 80,806,417,000.95/328,924.02
  6. Step 6: Final answer
    x = 245,668.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.