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Finding the Fourth Proportional to 336,410.27, 504,712.80 and 99,758.64

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Solution

The fourth proportional to 336,410.27, 504,712.80 and 99,758.64 is: 149,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,410.27 : 504,712.80 = 99,758.64 : x
  2. Step 2: Convert to fraction form
    336,410.27/504,712.80 = 99,758.64/x
  3. Step 3: Cross multiply
    336,410.27x = 504,712.80 × 99,758.64
  4. Step 4: Simplify right side
    336,410.27x = 50,349,462,518.59
  5. Step 5: Solve for x
    x = 50,349,462,518.59/336,410.27
  6. Step 6: Final answer
    x = 149,666.84

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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.