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Finding the Fourth Proportional to 335,911.60, 503,867.40 and 99,256.60

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Solution

The fourth proportional to 335,911.60, 503,867.40 and 99,256.60 is: 148,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,911.60 : 503,867.40 = 99,256.60 : x
  2. Step 2: Convert to fraction form
    335,911.60/503,867.40 = 99,256.60/x
  3. Step 3: Cross multiply
    335,911.60x = 503,867.40 × 99,256.60
  4. Step 4: Simplify right side
    335,911.60x = 50,012,164,974.84
  5. Step 5: Solve for x
    x = 50,012,164,974.84/335,911.60
  6. Step 6: Final answer
    x = 148,884.90

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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.