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Finding the Fourth Proportional to 453,827.64, 680,741.46 and 121,395

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Solution

The fourth proportional to 453,827.64, 680,741.46 and 121,395 is: 182,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,827.64 : 680,741.46 = 121,395 : x
  2. Step 2: Convert to fraction form
    453,827.64/680,741.46 = 121,395/x
  3. Step 3: Cross multiply
    453,827.64x = 680,741.46 × 121,395
  4. Step 4: Simplify right side
    453,827.64x = 82,638,609,536.70
  5. Step 5: Solve for x
    x = 82,638,609,536.70/453,827.64
  6. Step 6: Final answer
    x = 182,092.50

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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.