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Finding the Fourth Proportional to 291,693.60, 437,540.40 and 245,037.60

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Solution

The fourth proportional to 291,693.60, 437,540.40 and 245,037.60 is: 367,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,693.60 : 437,540.40 = 245,037.60 : x
  2. Step 2: Convert to fraction form
    291,693.60/437,540.40 = 245,037.60/x
  3. Step 3: Cross multiply
    291,693.60x = 437,540.40 × 245,037.60
  4. Step 4: Simplify right side
    291,693.60x = 107,213,849,519.04
  5. Step 5: Solve for x
    x = 107,213,849,519.04/291,693.60
  6. Step 6: Final answer
    x = 367,556.40

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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.