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Finding the Fourth Proportional to 988,837, 1,482,375.84 and 357,610.48

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Solution

The fourth proportional to 988,837, 1,482,375.84 and 357,610.48 is: 536,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,837 : 1,482,375.84 = 357,610.48 : x
  2. Step 2: Convert to fraction form
    988,837/1,482,375.84 = 357,610.48/x
  3. Step 3: Cross multiply
    988,837x = 1,482,375.84 × 357,610.48
  4. Step 4: Simplify right side
    988,837x = 530,113,135,682.80
  5. Step 5: Solve for x
    x = 530,113,135,682.80/988,837
  6. Step 6: Final answer
    x = 536,097.59

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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.