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Finding the Fourth Proportional to 707,174.28, 975,924.45 and 384,896.07

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Solution

The fourth proportional to 707,174.28, 975,924.45 and 384,896.07 is: 531,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,174.28 : 975,924.45 = 384,896.07 : x
  2. Step 2: Convert to fraction form
    707,174.28/975,924.45 = 384,896.07/x
  3. Step 3: Cross multiply
    707,174.28x = 975,924.45 × 384,896.07
  4. Step 4: Simplify right side
    707,174.28x = 375,629,485,421.91
  5. Step 5: Solve for x
    x = 375,629,485,421.91/707,174.28
  6. Step 6: Final answer
    x = 531,169.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.