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Finding the Fourth Proportional to 600,893.75, 829,795.46 and 386,406.47

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Solution

The fourth proportional to 600,893.75, 829,795.46 and 386,406.47 is: 533,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,893.75 : 829,795.46 = 386,406.47 : x
  2. Step 2: Convert to fraction form
    600,893.75/829,795.46 = 386,406.47/x
  3. Step 3: Cross multiply
    600,893.75x = 829,795.46 × 386,406.47
  4. Step 4: Simplify right side
    600,893.75x = 320,638,328,439.62
  5. Step 5: Solve for x
    x = 320,638,328,439.62/600,893.75
  6. Step 6: Final answer
    x = 533,602.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.