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Finding the Fourth Proportional to 433,855.68, 598,716.27 and 242,870.64

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Solution

The fourth proportional to 433,855.68, 598,716.27 and 242,870.64 is: 335,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,855.68 : 598,716.27 = 242,870.64 : x
  2. Step 2: Convert to fraction form
    433,855.68/598,716.27 = 242,870.64/x
  3. Step 3: Cross multiply
    433,855.68x = 598,716.27 × 242,870.64
  4. Step 4: Simplify right side
    433,855.68x = 145,410,603,673.31
  5. Step 5: Solve for x
    x = 145,410,603,673.31/433,855.68
  6. Step 6: Final answer
    x = 335,158.93

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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.