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Finding the Fourth Proportional to 370,641.25, 511,539.83 and 234,687.84

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Solution

The fourth proportional to 370,641.25, 511,539.83 and 234,687.84 is: 323,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,641.25 : 511,539.83 = 234,687.84 : x
  2. Step 2: Convert to fraction form
    370,641.25/511,539.83 = 234,687.84/x
  3. Step 3: Cross multiply
    370,641.25x = 511,539.83 × 234,687.84
  4. Step 4: Simplify right side
    370,641.25x = 120,052,177,776.67
  5. Step 5: Solve for x
    x = 120,052,177,776.67/370,641.25
  6. Step 6: Final answer
    x = 323,903.98

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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.