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Finding the Fourth Proportional to 451,471.88, 623,038.23 and 247,541.42

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Solution

The fourth proportional to 451,471.88, 623,038.23 and 247,541.42 is: 341,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,471.88 : 623,038.23 = 247,541.42 : x
  2. Step 2: Convert to fraction form
    451,471.88/623,038.23 = 247,541.42/x
  3. Step 3: Cross multiply
    451,471.88x = 623,038.23 × 247,541.42
  4. Step 4: Simplify right side
    451,471.88x = 154,227,768,168.49
  5. Step 5: Solve for x
    x = 154,227,768,168.49/451,471.88
  6. Step 6: Final answer
    x = 341,611.02

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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.