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Finding the Fourth Proportional to 339,151.76, 508,738.48 and 170,580.08

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Solution

The fourth proportional to 339,151.76, 508,738.48 and 170,580.08 is: 255,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,151.76 : 508,738.48 = 170,580.08 : x
  2. Step 2: Convert to fraction form
    339,151.76/508,738.48 = 170,580.08/x
  3. Step 3: Cross multiply
    339,151.76x = 508,738.48 × 170,580.08
  4. Step 4: Simplify right side
    339,151.76x = 86,780,650,617.48
  5. Step 5: Solve for x
    x = 86,780,650,617.48/339,151.76
  6. Step 6: Final answer
    x = 255,875.57

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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.