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Finding the Fourth Proportional to 568,453.14, 784,465.47 and 313,804.50

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Solution

The fourth proportional to 568,453.14, 784,465.47 and 313,804.50 is: 433,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,453.14 : 784,465.47 = 313,804.50 : x
  2. Step 2: Convert to fraction form
    568,453.14/784,465.47 = 313,804.50/x
  3. Step 3: Cross multiply
    568,453.14x = 784,465.47 × 313,804.50
  4. Step 4: Simplify right side
    568,453.14x = 246,168,794,580.62
  5. Step 5: Solve for x
    x = 246,168,794,580.62/568,453.14
  6. Step 6: Final answer
    x = 433,050.29

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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.