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Finding the Fourth Proportional to 521,665.01, 782,352.94 and 184,661.30

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Solution

The fourth proportional to 521,665.01, 782,352.94 and 184,661.30 is: 276,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,665.01 : 782,352.94 = 184,661.30 : x
  2. Step 2: Convert to fraction form
    521,665.01/782,352.94 = 184,661.30/x
  3. Step 3: Cross multiply
    521,665.01x = 782,352.94 × 184,661.30
  4. Step 4: Simplify right side
    521,665.01x = 144,470,310,959.22
  5. Step 5: Solve for x
    x = 144,470,310,959.22/521,665.01
  6. Step 6: Final answer
    x = 276,940.77

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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.