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Finding the Fourth Proportional to 568,453.12, 784,466.36 and 313,804.60

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Solution

The fourth proportional to 568,453.12, 784,466.36 and 313,804.60 is: 433,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,453.12 : 784,466.36 = 313,804.60 : x
  2. Step 2: Convert to fraction form
    568,453.12/784,466.36 = 313,804.60/x
  3. Step 3: Cross multiply
    568,453.12x = 784,466.36 × 313,804.60
  4. Step 4: Simplify right side
    568,453.12x = 246,169,152,313.26
  5. Step 5: Solve for x
    x = 246,169,152,313.26/568,453.12
  6. Step 6: Final answer
    x = 433,050.93

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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.