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Finding the Fourth Proportional to 328,470.65, 453,290.75 and 183,282.55

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Solution

The fourth proportional to 328,470.65, 453,290.75 and 183,282.55 is: 252,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,470.65 : 453,290.75 = 183,282.55 : x
  2. Step 2: Convert to fraction form
    328,470.65/453,290.75 = 183,282.55/x
  3. Step 3: Cross multiply
    328,470.65x = 453,290.75 × 183,282.55
  4. Step 4: Simplify right side
    328,470.65x = 83,080,283,087.24
  5. Step 5: Solve for x
    x = 83,080,283,087.24/328,470.65
  6. Step 6: Final answer
    x = 252,930.62

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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.