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Finding the Fourth Proportional to 303,458.38, 454,825.59 and 141,133.30

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Solution

The fourth proportional to 303,458.38, 454,825.59 and 141,133.30 is: 211,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,458.38 : 454,825.59 = 141,133.30 : x
  2. Step 2: Convert to fraction form
    303,458.38/454,825.59 = 141,133.30/x
  3. Step 3: Cross multiply
    303,458.38x = 454,825.59 × 141,133.30
  4. Step 4: Simplify right side
    303,458.38x = 64,191,036,441.15
  5. Step 5: Solve for x
    x = 64,191,036,441.15/303,458.38
  6. Step 6: Final answer
    x = 211,531.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.