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Finding the Fourth Proportional to 508,913.33, 701,707.06 and 379,627.37

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Solution

The fourth proportional to 508,913.33, 701,707.06 and 379,627.37 is: 523,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,913.33 : 701,707.06 = 379,627.37 : x
  2. Step 2: Convert to fraction form
    508,913.33/701,707.06 = 379,627.37/x
  3. Step 3: Cross multiply
    508,913.33x = 701,707.06 × 379,627.37
  4. Step 4: Simplify right side
    508,913.33x = 266,387,201,240.63
  5. Step 5: Solve for x
    x = 266,387,201,240.63/508,913.33
  6. Step 6: Final answer
    x = 523,443.16

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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.