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Finding the Fourth Proportional to 335,779.84, 503,844.80 and 148,747.60

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Solution

The fourth proportional to 335,779.84, 503,844.80 and 148,747.60 is: 223,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,779.84 : 503,844.80 = 148,747.60 : x
  2. Step 2: Convert to fraction form
    335,779.84/503,844.80 = 148,747.60/x
  3. Step 3: Cross multiply
    335,779.84x = 503,844.80 × 148,747.60
  4. Step 4: Simplify right side
    335,779.84x = 74,945,704,772.48
  5. Step 5: Solve for x
    x = 74,945,704,772.48/335,779.84
  6. Step 6: Final answer
    x = 223,198.94

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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.