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Finding the Fourth Proportional to 554,419.92, 831,650.64 and 250,756.32

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Solution

The fourth proportional to 554,419.92, 831,650.64 and 250,756.32 is: 376,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,419.92 : 831,650.64 = 250,756.32 : x
  2. Step 2: Convert to fraction form
    554,419.92/831,650.64 = 250,756.32/x
  3. Step 3: Cross multiply
    554,419.92x = 831,650.64 × 250,756.32
  4. Step 4: Simplify right side
    554,419.92x = 208,541,654,012.05
  5. Step 5: Solve for x
    x = 208,541,654,012.05/554,419.92
  6. Step 6: Final answer
    x = 376,143.87

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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.