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Finding the Fourth Proportional to 354,080.75, 531,278.12 and 185,561.01

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Solution

The fourth proportional to 354,080.75, 531,278.12 and 185,561.01 is: 278,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,080.75 : 531,278.12 = 185,561.01 : x
  2. Step 2: Convert to fraction form
    354,080.75/531,278.12 = 185,561.01/x
  3. Step 3: Cross multiply
    354,080.75x = 531,278.12 × 185,561.01
  4. Step 4: Simplify right side
    354,080.75x = 98,584,505,002.00
  5. Step 5: Solve for x
    x = 98,584,505,002.00/354,080.75
  6. Step 6: Final answer
    x = 278,423.80

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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.