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Finding the Fourth Proportional to 453,698.92, 680,496.54 and 121,300.84

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Solution

The fourth proportional to 453,698.92, 680,496.54 and 121,300.84 is: 181,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,698.92 : 680,496.54 = 121,300.84 : x
  2. Step 2: Convert to fraction form
    453,698.92/680,496.54 = 121,300.84/x
  3. Step 3: Cross multiply
    453,698.92x = 680,496.54 × 121,300.84
  4. Step 4: Simplify right side
    453,698.92x = 82,544,801,919.09
  5. Step 5: Solve for x
    x = 82,544,801,919.09/453,698.92
  6. Step 6: Final answer
    x = 181,937.40

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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.