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Finding the Fourth Proportional to 599,512.89, 899,712.81 and 283,970.51

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Solution

The fourth proportional to 599,512.89, 899,712.81 and 283,970.51 is: 426,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,512.89 : 899,712.81 = 283,970.51 : x
  2. Step 2: Convert to fraction form
    599,512.89/899,712.81 = 283,970.51/x
  3. Step 3: Cross multiply
    599,512.89x = 899,712.81 × 283,970.51
  4. Step 4: Simplify right side
    599,512.89x = 255,491,905,509.23
  5. Step 5: Solve for x
    x = 255,491,905,509.23/599,512.89
  6. Step 6: Final answer
    x = 426,165.83

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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.