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Finding the Fourth Proportional to 544,458.06, 816,853.23 and 278,405.46

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Solution

The fourth proportional to 544,458.06, 816,853.23 and 278,405.46 is: 417,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,458.06 : 816,853.23 = 278,405.46 : x
  2. Step 2: Convert to fraction form
    544,458.06/816,853.23 = 278,405.46/x
  3. Step 3: Cross multiply
    544,458.06x = 816,853.23 × 278,405.46
  4. Step 4: Simplify right side
    544,458.06x = 227,416,399,250.64
  5. Step 5: Solve for x
    x = 227,416,399,250.64/544,458.06
  6. Step 6: Final answer
    x = 417,693.14

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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.