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Finding the Fourth Proportional to 537,544.56, 741,842.10 and 308,140.02

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Solution

The fourth proportional to 537,544.56, 741,842.10 and 308,140.02 is: 425,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,544.56 : 741,842.10 = 308,140.02 : x
  2. Step 2: Convert to fraction form
    537,544.56/741,842.10 = 308,140.02/x
  3. Step 3: Cross multiply
    537,544.56x = 741,842.10 × 308,140.02
  4. Step 4: Simplify right side
    537,544.56x = 228,591,239,530.84
  5. Step 5: Solve for x
    x = 228,591,239,530.84/537,544.56
  6. Step 6: Final answer
    x = 425,250.77

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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.