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Finding the Fourth Proportional to 445,563.10, 614,561.34 and 273,489.94

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Solution

The fourth proportional to 445,563.10, 614,561.34 and 273,489.94 is: 377,222.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,563.10 : 614,561.34 = 273,489.94 : x
  2. Step 2: Convert to fraction form
    445,563.10/614,561.34 = 273,489.94/x
  3. Step 3: Cross multiply
    445,563.10x = 614,561.34 × 273,489.94
  4. Step 4: Simplify right side
    445,563.10x = 168,076,344,002.92
  5. Step 5: Solve for x
    x = 168,076,344,002.92/445,563.10
  6. Step 6: Final answer
    x = 377,222.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.