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Finding the Fourth Proportional to 297,935.40, 447,075.90 and 110,965.80

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Solution

The fourth proportional to 297,935.40, 447,075.90 and 110,965.80 is: 166,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,935.40 : 447,075.90 = 110,965.80 : x
  2. Step 2: Convert to fraction form
    297,935.40/447,075.90 = 110,965.80/x
  3. Step 3: Cross multiply
    297,935.40x = 447,075.90 × 110,965.80
  4. Step 4: Simplify right side
    297,935.40x = 49,610,134,904.22
  5. Step 5: Solve for x
    x = 49,610,134,904.22/297,935.40
  6. Step 6: Final answer
    x = 166,513.06

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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.