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Finding the Fourth Proportional to 488,263.01, 731,696.62 and 274,582.41

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Solution

The fourth proportional to 488,263.01, 731,696.62 and 274,582.41 is: 411,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,263.01 : 731,696.62 = 274,582.41 : x
  2. Step 2: Convert to fraction form
    488,263.01/731,696.62 = 274,582.41/x
  3. Step 3: Cross multiply
    488,263.01x = 731,696.62 × 274,582.41
  4. Step 4: Simplify right side
    488,263.01x = 200,911,017,620.72
  5. Step 5: Solve for x
    x = 200,911,017,620.72/488,263.01
  6. Step 6: Final answer
    x = 411,481.13

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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.