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Finding the Fourth Proportional to 450,570.69, 675,109.73 and 316,797.37

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Solution

The fourth proportional to 450,570.69, 675,109.73 and 316,797.37 is: 474,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,570.69 : 675,109.73 = 316,797.37 : x
  2. Step 2: Convert to fraction form
    450,570.69/675,109.73 = 316,797.37/x
  3. Step 3: Cross multiply
    450,570.69x = 675,109.73 × 316,797.37
  4. Step 4: Simplify right side
    450,570.69x = 213,872,986,029.63
  5. Step 5: Solve for x
    x = 213,872,986,029.63/450,570.69
  6. Step 6: Final answer
    x = 474,671.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.