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Finding the Fourth Proportional to 339,068.70, 508,894.65 and 149,820.30

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Solution

The fourth proportional to 339,068.70, 508,894.65 and 149,820.30 is: 224,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,068.70 : 508,894.65 = 149,820.30 : x
  2. Step 2: Convert to fraction form
    339,068.70/508,894.65 = 149,820.30/x
  3. Step 3: Cross multiply
    339,068.70x = 508,894.65 × 149,820.30
  4. Step 4: Simplify right side
    339,068.70x = 76,242,749,131.40
  5. Step 5: Solve for x
    x = 76,242,749,131.40/339,068.70
  6. Step 6: Final answer
    x = 224,859.30

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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.