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Finding the Fourth Proportional to 671,893.54, 927,214.37 and 365,968.98

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Solution

The fourth proportional to 671,893.54, 927,214.37 and 365,968.98 is: 505,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,893.54 : 927,214.37 = 365,968.98 : x
  2. Step 2: Convert to fraction form
    671,893.54/927,214.37 = 365,968.98/x
  3. Step 3: Cross multiply
    671,893.54x = 927,214.37 × 365,968.98
  4. Step 4: Simplify right side
    671,893.54x = 339,331,692,594.17
  5. Step 5: Solve for x
    x = 339,331,692,594.17/671,893.54
  6. Step 6: Final answer
    x = 505,037.89

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1.5x scale

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.