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Finding the Fourth Proportional to 453,683.64, 680,525.46 and 121,251

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Solution

The fourth proportional to 453,683.64, 680,525.46 and 121,251 is: 181,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,683.64 : 680,525.46 = 121,251 : x
  2. Step 2: Convert to fraction form
    453,683.64/680,525.46 = 121,251/x
  3. Step 3: Cross multiply
    453,683.64x = 680,525.46 × 121,251
  4. Step 4: Simplify right side
    453,683.64x = 82,514,392,550.46
  5. Step 5: Solve for x
    x = 82,514,392,550.46/453,683.64
  6. Step 6: Final answer
    x = 181,876.50

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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.