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Finding the Fourth Proportional to 375,847.91, 563,854.78 and 109,629.26

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Solution

The fourth proportional to 375,847.91, 563,854.78 and 109,629.26 is: 164,468.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,847.91 : 563,854.78 = 109,629.26 : x
  2. Step 2: Convert to fraction form
    375,847.91/563,854.78 = 109,629.26/x
  3. Step 3: Cross multiply
    375,847.91x = 563,854.78 × 109,629.26
  4. Step 4: Simplify right side
    375,847.91x = 61,814,979,459.59
  5. Step 5: Solve for x
    x = 61,814,979,459.59/375,847.91
  6. Step 6: Final answer
    x = 164,468.07

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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.