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Finding the Fourth Proportional to 273,279.18, 407,202.01 and 243,467.94

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Solution

The fourth proportional to 273,279.18, 407,202.01 and 243,467.94 is: 362,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,279.18 : 407,202.01 = 243,467.94 : x
  2. Step 2: Convert to fraction form
    273,279.18/407,202.01 = 243,467.94/x
  3. Step 3: Cross multiply
    273,279.18x = 407,202.01 × 243,467.94
  4. Step 4: Simplify right side
    273,279.18x = 99,140,634,538.56
  5. Step 5: Solve for x
    x = 99,140,634,538.56/273,279.18
  6. Step 6: Final answer
    x = 362,781.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.