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Finding the Fourth Proportional to 370,965.60, 556,464.60 and 121,647.60

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Solution

The fourth proportional to 370,965.60, 556,464.60 and 121,647.60 is: 182,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,965.60 : 556,464.60 = 121,647.60 : x
  2. Step 2: Convert to fraction form
    370,965.60/556,464.60 = 121,647.60/x
  3. Step 3: Cross multiply
    370,965.60x = 556,464.60 × 121,647.60
  4. Step 4: Simplify right side
    370,965.60x = 67,692,583,074.96
  5. Step 5: Solve for x
    x = 67,692,583,074.96/370,965.60
  6. Step 6: Final answer
    x = 182,476.71

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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.