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Finding the Fourth Proportional to 341,864.12, 471,762.54 and 188,899.88

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Solution

The fourth proportional to 341,864.12, 471,762.54 and 188,899.88 is: 260,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,864.12 : 471,762.54 = 188,899.88 : x
  2. Step 2: Convert to fraction form
    341,864.12/471,762.54 = 188,899.88/x
  3. Step 3: Cross multiply
    341,864.12x = 471,762.54 × 188,899.88
  4. Step 4: Simplify right side
    341,864.12x = 89,115,887,194.50
  5. Step 5: Solve for x
    x = 89,115,887,194.50/341,864.12
  6. Step 6: Final answer
    x = 260,676.34

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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.