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Finding the Fourth Proportional to 602,763.03, 831,752.35 and 361,039.39

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Solution

The fourth proportional to 602,763.03, 831,752.35 and 361,039.39 is: 498,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,763.03 : 831,752.35 = 361,039.39 : x
  2. Step 2: Convert to fraction form
    602,763.03/831,752.35 = 361,039.39/x
  3. Step 3: Cross multiply
    602,763.03x = 831,752.35 × 361,039.39
  4. Step 4: Simplify right side
    602,763.03x = 300,295,358,093.09
  5. Step 5: Solve for x
    x = 300,295,358,093.09/602,763.03
  6. Step 6: Final answer
    x = 498,198.04

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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.