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Finding the Fourth Proportional to 1,238,562, 1,858,155.24 and 352,098

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Solution

The fourth proportional to 1,238,562, 1,858,155.24 and 352,098 is: 528,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,562 : 1,858,155.24 = 352,098 : x
  2. Step 2: Convert to fraction form
    1,238,562/1,858,155.24 = 352,098/x
  3. Step 3: Cross multiply
    1,238,562x = 1,858,155.24 × 352,098
  4. Step 4: Simplify right side
    1,238,562x = 654,252,743,693.52
  5. Step 5: Solve for x
    x = 654,252,743,693.52/1,238,562
  6. Step 6: Final answer
    x = 528,235.76

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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.