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Finding the Fourth Proportional to 671,193.65, 926,268.24 and 380,817.45

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Solution

The fourth proportional to 671,193.65, 926,268.24 and 380,817.45 is: 525,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,193.65 : 926,268.24 = 380,817.45 : x
  2. Step 2: Convert to fraction form
    671,193.65/926,268.24 = 380,817.45/x
  3. Step 3: Cross multiply
    671,193.65x = 926,268.24 × 380,817.45
  4. Step 4: Simplify right side
    671,193.65x = 352,739,110,600.85
  5. Step 5: Solve for x
    x = 352,739,110,600.85/671,193.65
  6. Step 6: Final answer
    x = 525,540.00

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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.