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Finding the Fourth Proportional to 671,671.31, 926,893.06 and 365,751.32

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Solution

The fourth proportional to 671,671.31, 926,893.06 and 365,751.32 is: 504,729.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,671.31 : 926,893.06 = 365,751.32 : x
  2. Step 2: Convert to fraction form
    671,671.31/926,893.06 = 365,751.32/x
  3. Step 3: Cross multiply
    671,671.31x = 926,893.06 × 365,751.32
  4. Step 4: Simplify right side
    671,671.31x = 339,012,354,645.00
  5. Step 5: Solve for x
    x = 339,012,354,645.00/671,671.31
  6. Step 6: Final answer
    x = 504,729.55

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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.