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Finding the Fourth Proportional to 603,373.85, 832,614.84 and 331,453.20

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Solution

The fourth proportional to 603,373.85, 832,614.84 and 331,453.20 is: 457,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,373.85 : 832,614.84 = 331,453.20 : x
  2. Step 2: Convert to fraction form
    603,373.85/832,614.84 = 331,453.20/x
  3. Step 3: Cross multiply
    603,373.85x = 832,614.84 × 331,453.20
  4. Step 4: Simplify right side
    603,373.85x = 275,972,853,085.49
  5. Step 5: Solve for x
    x = 275,972,853,085.49/603,373.85
  6. Step 6: Final answer
    x = 457,382.86

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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.