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Finding the Fourth Proportional to 418,518.20, 627,923.10 and 182,030.60

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Solution

The fourth proportional to 418,518.20, 627,923.10 and 182,030.60 is: 273,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,518.20 : 627,923.10 = 182,030.60 : x
  2. Step 2: Convert to fraction form
    418,518.20/627,923.10 = 182,030.60/x
  3. Step 3: Cross multiply
    418,518.20x = 627,923.10 × 182,030.60
  4. Step 4: Simplify right side
    418,518.20x = 114,301,218,646.86
  5. Step 5: Solve for x
    x = 114,301,218,646.86/418,518.20
  6. Step 6: Final answer
    x = 273,109.31

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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.