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Finding the Fourth Proportional to 599,439.15, 899,602.20 and 283,896.63

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Solution

The fourth proportional to 599,439.15, 899,602.20 and 283,896.63 is: 426,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,439.15 : 899,602.20 = 283,896.63 : x
  2. Step 2: Convert to fraction form
    599,439.15/899,602.20 = 283,896.63/x
  3. Step 3: Cross multiply
    599,439.15x = 899,602.20 × 283,896.63
  4. Step 4: Simplify right side
    599,439.15x = 255,394,032,920.59
  5. Step 5: Solve for x
    x = 255,394,032,920.59/599,439.15
  6. Step 6: Final answer
    x = 426,054.98

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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.