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Finding the Fourth Proportional to 318,474.31, 477,262.18 and 248,041.03

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Solution

The fourth proportional to 318,474.31, 477,262.18 and 248,041.03 is: 371,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,474.31 : 477,262.18 = 248,041.03 : x
  2. Step 2: Convert to fraction form
    318,474.31/477,262.18 = 248,041.03/x
  3. Step 3: Cross multiply
    318,474.31x = 477,262.18 × 248,041.03
  4. Step 4: Simplify right side
    318,474.31x = 118,380,602,707.25
  5. Step 5: Solve for x
    x = 118,380,602,707.25/318,474.31
  6. Step 6: Final answer
    x = 371,711.62

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Why These Related Problems?

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