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Finding the Fourth Proportional to 632,842.70, 873,217.95 and 360,930.36

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Solution

The fourth proportional to 632,842.70, 873,217.95 and 360,930.36 is: 498,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,842.70 : 873,217.95 = 360,930.36 : x
  2. Step 2: Convert to fraction form
    632,842.70/873,217.95 = 360,930.36/x
  3. Step 3: Cross multiply
    632,842.70x = 873,217.95 × 360,930.36
  4. Step 4: Simplify right side
    632,842.70x = 315,170,869,051.96
  5. Step 5: Solve for x
    x = 315,170,869,051.96/632,842.70
  6. Step 6: Final answer
    x = 498,024.03

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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.