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Finding the Fourth Proportional to 341,080.17, 511,619.90 and 116,421.96

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Solution

The fourth proportional to 341,080.17, 511,619.90 and 116,421.96 is: 174,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,080.17 : 511,619.90 = 116,421.96 : x
  2. Step 2: Convert to fraction form
    341,080.17/511,619.90 = 116,421.96/x
  3. Step 3: Cross multiply
    341,080.17x = 511,619.90 × 116,421.96
  4. Step 4: Simplify right side
    341,080.17x = 59,563,790,950.89
  5. Step 5: Solve for x
    x = 59,563,790,950.89/341,080.17
  6. Step 6: Final answer
    x = 174,632.82

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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.