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Finding the Fourth Proportional to 521,533.17, 782,365.37 and 184,494.60

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Solution

The fourth proportional to 521,533.17, 782,365.37 and 184,494.60 is: 276,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,533.17 : 782,365.37 = 184,494.60 : x
  2. Step 2: Convert to fraction form
    521,533.17/782,365.37 = 184,494.60/x
  3. Step 3: Cross multiply
    521,533.17x = 782,365.37 × 184,494.60
  4. Step 4: Simplify right side
    521,533.17x = 144,342,185,069.53
  5. Step 5: Solve for x
    x = 144,342,185,069.53/521,533.17
  6. Step 6: Final answer
    x = 276,765.11

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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.