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Finding the Fourth Proportional to 364,309.60, 546,464.40 and 127,627.60

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Solution

The fourth proportional to 364,309.60, 546,464.40 and 127,627.60 is: 191,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,309.60 : 546,464.40 = 127,627.60 : x
  2. Step 2: Convert to fraction form
    364,309.60/546,464.40 = 127,627.60/x
  3. Step 3: Cross multiply
    364,309.60x = 546,464.40 × 127,627.60
  4. Step 4: Simplify right side
    364,309.60x = 69,743,939,857.44
  5. Step 5: Solve for x
    x = 69,743,939,857.44/364,309.60
  6. Step 6: Final answer
    x = 191,441.40

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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.