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Finding the Fourth Proportional to 273,269.68, 407,187.85 and 243,458.44

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Solution

The fourth proportional to 273,269.68, 407,187.85 and 243,458.44 is: 362,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,269.68 : 407,187.85 = 243,458.44 : x
  2. Step 2: Convert to fraction form
    273,269.68/407,187.85 = 243,458.44/x
  3. Step 3: Cross multiply
    273,269.68x = 407,187.85 × 243,458.44
  4. Step 4: Simplify right side
    273,269.68x = 99,133,318,747.95
  5. Step 5: Solve for x
    x = 99,133,318,747.95/273,269.68
  6. Step 6: Final answer
    x = 362,767.35

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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.