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Finding the Fourth Proportional to 282,674.40, 424,011.60 and 251,181.60

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Solution

The fourth proportional to 282,674.40, 424,011.60 and 251,181.60 is: 376,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,674.40 : 424,011.60 = 251,181.60 : x
  2. Step 2: Convert to fraction form
    282,674.40/424,011.60 = 251,181.60/x
  3. Step 3: Cross multiply
    282,674.40x = 424,011.60 × 251,181.60
  4. Step 4: Simplify right side
    282,674.40x = 106,503,912,106.56
  5. Step 5: Solve for x
    x = 106,503,912,106.56/282,674.40
  6. Step 6: Final answer
    x = 376,772.40

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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.