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Finding the Fourth Proportional to 499,328.49, 749,181.44 and 299,787.98

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Solution

The fourth proportional to 499,328.49, 749,181.44 and 299,787.98 is: 449,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,328.49 : 749,181.44 = 299,787.98 : x
  2. Step 2: Convert to fraction form
    499,328.49/749,181.44 = 299,787.98/x
  3. Step 3: Cross multiply
    499,328.49x = 749,181.44 × 299,787.98
  4. Step 4: Simplify right side
    499,328.49x = 224,595,585,306.24
  5. Step 5: Solve for x
    x = 224,595,585,306.24/499,328.49
  6. Step 6: Final answer
    x = 449,795.25

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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.