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Finding the Fourth Proportional to 273,559.20, 409,993.20 and 243,837.60

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Solution

The fourth proportional to 273,559.20, 409,993.20 and 243,837.60 is: 365,448.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,559.20 : 409,993.20 = 243,837.60 : x
  2. Step 2: Convert to fraction form
    273,559.20/409,993.20 = 243,837.60/x
  3. Step 3: Cross multiply
    273,559.20x = 409,993.20 × 243,837.60
  4. Step 4: Simplify right side
    273,559.20x = 99,971,757,904.32
  5. Step 5: Solve for x
    x = 99,971,757,904.32/273,559.20
  6. Step 6: Final answer
    x = 365,448.35

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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.