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Finding the Fourth Proportional to 488,994.02, 733,428.72 and 189,269.54

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Solution

The fourth proportional to 488,994.02, 733,428.72 and 189,269.54 is: 283,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,994.02 : 733,428.72 = 189,269.54 : x
  2. Step 2: Convert to fraction form
    488,994.02/733,428.72 = 189,269.54/x
  3. Step 3: Cross multiply
    488,994.02x = 733,428.72 × 189,269.54
  4. Step 4: Simplify right side
    488,994.02x = 138,815,716,457.19
  5. Step 5: Solve for x
    x = 138,815,716,457.19/488,994.02
  6. Step 6: Final answer
    x = 283,880.19

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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.