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Finding the Fourth Proportional to 570,775.62, 787,668.39 and 329,057.04

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Solution

The fourth proportional to 570,775.62, 787,668.39 and 329,057.04 is: 454,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,775.62 : 787,668.39 = 329,057.04 : x
  2. Step 2: Convert to fraction form
    570,775.62/787,668.39 = 329,057.04/x
  3. Step 3: Cross multiply
    570,775.62x = 787,668.39 × 329,057.04
  4. Step 4: Simplify right side
    570,775.62x = 259,187,828,914.97
  5. Step 5: Solve for x
    x = 259,187,828,914.97/570,775.62
  6. Step 6: Final answer
    x = 454,097.58

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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.