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Finding the Fourth Proportional to 1,034,993, 1,552,489.50 and 287,039

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Solution

The fourth proportional to 1,034,993, 1,552,489.50 and 287,039 is: 430,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,993 : 1,552,489.50 = 287,039 : x
  2. Step 2: Convert to fraction form
    1,034,993/1,552,489.50 = 287,039/x
  3. Step 3: Cross multiply
    1,034,993x = 1,552,489.50 × 287,039
  4. Step 4: Simplify right side
    1,034,993x = 445,625,033,590.50
  5. Step 5: Solve for x
    x = 445,625,033,590.50/1,034,993
  6. Step 6: Final answer
    x = 430,558.50

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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.