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Finding the Fourth Proportional to 335,646.54, 503,469.12 and 99,155.28

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Solution

The fourth proportional to 335,646.54, 503,469.12 and 99,155.28 is: 148,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,646.54 : 503,469.12 = 99,155.28 : x
  2. Step 2: Convert to fraction form
    335,646.54/503,469.12 = 99,155.28/x
  3. Step 3: Cross multiply
    335,646.54x = 503,469.12 × 99,155.28
  4. Step 4: Simplify right side
    335,646.54x = 49,921,621,564.95
  5. Step 5: Solve for x
    x = 49,921,621,564.95/335,646.54
  6. Step 6: Final answer
    x = 148,732.72

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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.