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Finding the Fourth Proportional to 546,803.14, 820,205.08 and 186,976.64

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Solution

The fourth proportional to 546,803.14, 820,205.08 and 186,976.64 is: 280,465.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,803.14 : 820,205.08 = 186,976.64 : x
  2. Step 2: Convert to fraction form
    546,803.14/820,205.08 = 186,976.64/x
  3. Step 3: Cross multiply
    546,803.14x = 820,205.08 × 186,976.64
  4. Step 4: Simplify right side
    546,803.14x = 153,359,189,969.33
  5. Step 5: Solve for x
    x = 153,359,189,969.33/546,803.14
  6. Step 6: Final answer
    x = 280,465.09

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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.