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Finding the Fourth Proportional to 850,169.76, 1,173,213 and 482,715.47

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Solution

The fourth proportional to 850,169.76, 1,173,213 and 482,715.47 is: 666,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,169.76 : 1,173,213 = 482,715.47 : x
  2. Step 2: Convert to fraction form
    850,169.76/1,173,213 = 482,715.47/x
  3. Step 3: Cross multiply
    850,169.76x = 1,173,213 × 482,715.47
  4. Step 4: Simplify right side
    850,169.76x = 566,328,058,839.05
  5. Step 5: Solve for x
    x = 566,328,058,839.05/850,169.76
  6. Step 6: Final answer
    x = 666,135.27

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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.