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Finding the Fourth Proportional to 418,533.64, 627,110.14 and 241,189.64

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Solution

The fourth proportional to 418,533.64, 627,110.14 and 241,189.64 is: 361,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,533.64 : 627,110.14 = 241,189.64 : x
  2. Step 2: Convert to fraction form
    418,533.64/627,110.14 = 241,189.64/x
  3. Step 3: Cross multiply
    418,533.64x = 627,110.14 × 241,189.64
  4. Step 4: Simplify right side
    418,533.64x = 151,252,468,906.95
  5. Step 5: Solve for x
    x = 151,252,468,906.95/418,533.64
  6. Step 6: Final answer
    x = 361,386.65

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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.