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Finding the Fourth Proportional to 3,499,482.38, 4,829,285.75 and 1,889,850.38

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Solution

The fourth proportional to 3,499,482.38, 4,829,285.75 and 1,889,850.38 is: 2,607,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499,482.38 : 4,829,285.75 = 1,889,850.38 : x
  2. Step 2: Convert to fraction form
    3,499,482.38/4,829,285.75 = 1,889,850.38/x
  3. Step 3: Cross multiply
    3,499,482.38x = 4,829,285.75 × 1,889,850.38
  4. Step 4: Simplify right side
    3,499,482.38x = 9,126,627,476,170.40
  5. Step 5: Solve for x
    x = 9,126,627,476,170.40/3,499,482.38
  6. Step 6: Final answer
    x = 2,607,993.55

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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.