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Finding the Fourth Proportional to 363,858.52, 543,229.40 and 278,020.14

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Solution

The fourth proportional to 363,858.52, 543,229.40 and 278,020.14 is: 415,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,858.52 : 543,229.40 = 278,020.14 : x
  2. Step 2: Convert to fraction form
    363,858.52/543,229.40 = 278,020.14/x
  3. Step 3: Cross multiply
    363,858.52x = 543,229.40 × 278,020.14
  4. Step 4: Simplify right side
    363,858.52x = 151,028,713,840.12
  5. Step 5: Solve for x
    x = 151,028,713,840.12/363,858.52
  6. Step 6: Final answer
    x = 415,075.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.