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Finding the Fourth Proportional to 206,597.20, 309,458.40 and 184,435.60

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Solution

The fourth proportional to 206,597.20, 309,458.40 and 184,435.60 is: 276,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,597.20 : 309,458.40 = 184,435.60 : x
  2. Step 2: Convert to fraction form
    206,597.20/309,458.40 = 184,435.60/x
  3. Step 3: Cross multiply
    206,597.20x = 309,458.40 × 184,435.60
  4. Step 4: Simplify right side
    206,597.20x = 57,075,145,679.04
  5. Step 5: Solve for x
    x = 57,075,145,679.04/206,597.20
  6. Step 6: Final answer
    x = 276,262.92

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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.