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Finding the Fourth Proportional to 557,942.88, 836,599.19 and 510,334.63

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Solution

The fourth proportional to 557,942.88, 836,599.19 and 510,334.63 is: 765,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,942.88 : 836,599.19 = 510,334.63 : x
  2. Step 2: Convert to fraction form
    557,942.88/836,599.19 = 510,334.63/x
  3. Step 3: Cross multiply
    557,942.88x = 836,599.19 × 510,334.63
  4. Step 4: Simplify right side
    557,942.88x = 426,945,533,443.78
  5. Step 5: Solve for x
    x = 426,945,533,443.78/557,942.88
  6. Step 6: Final answer
    x = 765,213.69

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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.