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Finding the Fourth Proportional to 428,233.70, 590,939.24 and 237,235.70

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Solution

The fourth proportional to 428,233.70, 590,939.24 and 237,235.70 is: 327,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,233.70 : 590,939.24 = 237,235.70 : x
  2. Step 2: Convert to fraction form
    428,233.70/590,939.24 = 237,235.70/x
  3. Step 3: Cross multiply
    428,233.70x = 590,939.24 × 237,235.70
  4. Step 4: Simplify right side
    428,233.70x = 140,191,884,550.04
  5. Step 5: Solve for x
    x = 140,191,884,550.04/428,233.70
  6. Step 6: Final answer
    x = 327,372.38

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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.