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Finding the Fourth Proportional to 344,124.55, 474,967.77 and 191,215.27

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Solution

The fourth proportional to 344,124.55, 474,967.77 and 191,215.27 is: 263,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,124.55 : 474,967.77 = 191,215.27 : x
  2. Step 2: Convert to fraction form
    344,124.55/474,967.77 = 191,215.27/x
  3. Step 3: Cross multiply
    344,124.55x = 474,967.77 × 191,215.27
  4. Step 4: Simplify right side
    344,124.55x = 90,821,090,381.85
  5. Step 5: Solve for x
    x = 90,821,090,381.85/344,124.55
  6. Step 6: Final answer
    x = 263,919.24

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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.