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Finding the Fourth Proportional to 328,948.63, 453,940.10 and 185,722.00

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Solution

The fourth proportional to 328,948.63, 453,940.10 and 185,722.00 is: 256,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,948.63 : 453,940.10 = 185,722.00 : x
  2. Step 2: Convert to fraction form
    328,948.63/453,940.10 = 185,722.00/x
  3. Step 3: Cross multiply
    328,948.63x = 453,940.10 × 185,722.00
  4. Step 4: Simplify right side
    328,948.63x = 84,306,661,885.20
  5. Step 5: Solve for x
    x = 84,306,661,885.20/328,948.63
  6. Step 6: Final answer
    x = 256,291.27

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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.