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Finding the Fourth Proportional to 331,798.26, 457,881.04 and 188,558.40

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Solution

The fourth proportional to 331,798.26, 457,881.04 and 188,558.40 is: 260,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,798.26 : 457,881.04 = 188,558.40 : x
  2. Step 2: Convert to fraction form
    331,798.26/457,881.04 = 188,558.40/x
  3. Step 3: Cross multiply
    331,798.26x = 457,881.04 × 188,558.40
  4. Step 4: Simplify right side
    331,798.26x = 86,337,316,292.74
  5. Step 5: Solve for x
    x = 86,337,316,292.74/331,798.26
  6. Step 6: Final answer
    x = 260,210.27

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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.