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Finding the Fourth Proportional to 444,065.82, 612,815.67 and 242,857.50

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Solution

The fourth proportional to 444,065.82, 612,815.67 and 242,857.50 is: 335,146.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,065.82 : 612,815.67 = 242,857.50 : x
  2. Step 2: Convert to fraction form
    444,065.82/612,815.67 = 242,857.50/x
  3. Step 3: Cross multiply
    444,065.82x = 612,815.67 × 242,857.50
  4. Step 4: Simplify right side
    444,065.82x = 148,826,881,577.03
  5. Step 5: Solve for x
    x = 148,826,881,577.03/444,065.82
  6. Step 6: Final answer
    x = 335,146.00

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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.