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Finding the Fourth Proportional to 446,549.74, 669,124.50 and 379,715.02

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Solution

The fourth proportional to 446,549.74, 669,124.50 and 379,715.02 is: 568,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,549.74 : 669,124.50 = 379,715.02 : x
  2. Step 2: Convert to fraction form
    446,549.74/669,124.50 = 379,715.02/x
  3. Step 3: Cross multiply
    446,549.74x = 669,124.50 × 379,715.02
  4. Step 4: Simplify right side
    446,549.74x = 254,076,622,899.99
  5. Step 5: Solve for x
    x = 254,076,622,899.99/446,549.74
  6. Step 6: Final answer
    x = 568,977.20

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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.