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Finding the Fourth Proportional to 632,842.48, 949,267.50 and 258,865.48

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Solution

The fourth proportional to 632,842.48, 949,267.50 and 258,865.48 is: 388,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,842.48 : 949,267.50 = 258,865.48 : x
  2. Step 2: Convert to fraction form
    632,842.48/949,267.50 = 258,865.48/x
  3. Step 3: Cross multiply
    632,842.48x = 949,267.50 × 258,865.48
  4. Step 4: Simplify right side
    632,842.48x = 245,732,587,035.90
  5. Step 5: Solve for x
    x = 245,732,587,035.90/632,842.48
  6. Step 6: Final answer
    x = 388,299.77

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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.