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Finding the Fourth Proportional to 551,124, 825,915.84 and 297,858.48

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Solution

The fourth proportional to 551,124, 825,915.84 and 297,858.48 is: 446,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,124 : 825,915.84 = 297,858.48 : x
  2. Step 2: Convert to fraction form
    551,124/825,915.84 = 297,858.48/x
  3. Step 3: Cross multiply
    551,124x = 825,915.84 × 297,858.48
  4. Step 4: Simplify right side
    551,124x = 246,006,036,710.32
  5. Step 5: Solve for x
    x = 246,006,036,710.32/551,124
  6. Step 6: Final answer
    x = 446,371.48

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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.