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Finding the Fourth Proportional to 633,537.93, 874,063.80 and 361,409.52

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Solution

The fourth proportional to 633,537.93, 874,063.80 and 361,409.52 is: 498,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,537.93 : 874,063.80 = 361,409.52 : x
  2. Step 2: Convert to fraction form
    633,537.93/874,063.80 = 361,409.52/x
  3. Step 3: Cross multiply
    633,537.93x = 874,063.80 × 361,409.52
  4. Step 4: Simplify right side
    633,537.93x = 315,894,978,407.38
  5. Step 5: Solve for x
    x = 315,894,978,407.38/633,537.93
  6. Step 6: Final answer
    x = 498,620.47

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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.