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Finding the Fourth Proportional to 403,190.56, 556,171.54 and 252,025.12

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Solution

The fourth proportional to 403,190.56, 556,171.54 and 252,025.12 is: 347,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,190.56 : 556,171.54 = 252,025.12 : x
  2. Step 2: Convert to fraction form
    403,190.56/556,171.54 = 252,025.12/x
  3. Step 3: Cross multiply
    403,190.56x = 556,171.54 × 252,025.12
  4. Step 4: Simplify right side
    403,190.56x = 140,169,199,109.09
  5. Step 5: Solve for x
    x = 140,169,199,109.09/403,190.56
  6. Step 6: Final answer
    x = 347,650.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.