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Finding the Fourth Proportional to 337,211.76, 505,381.59 and 252,305.76

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Solution

The fourth proportional to 337,211.76, 505,381.59 and 252,305.76 is: 378,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,211.76 : 505,381.59 = 252,305.76 : x
  2. Step 2: Convert to fraction form
    337,211.76/505,381.59 = 252,305.76/x
  3. Step 3: Cross multiply
    337,211.76x = 505,381.59 × 252,305.76
  4. Step 4: Simplify right side
    337,211.76x = 127,510,686,154.96
  5. Step 5: Solve for x
    x = 127,510,686,154.96/337,211.76
  6. Step 6: Final answer
    x = 378,132.38

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1.5x scale

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.