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Finding the Fourth Proportional to 450,113.15, 621,232.53 and 259,237.06

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Solution

The fourth proportional to 450,113.15, 621,232.53 and 259,237.06 is: 357,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,113.15 : 621,232.53 = 259,237.06 : x
  2. Step 2: Convert to fraction form
    450,113.15/621,232.53 = 259,237.06/x
  3. Step 3: Cross multiply
    450,113.15x = 621,232.53 × 259,237.06
  4. Step 4: Simplify right side
    450,113.15x = 161,046,494,653.56
  5. Step 5: Solve for x
    x = 161,046,494,653.56/450,113.15
  6. Step 6: Final answer
    x = 357,791.13

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