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Finding the Fourth Proportional to 453,800.89, 680,782.38 and 154,265.71

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Solution

The fourth proportional to 453,800.89, 680,782.38 and 154,265.71 is: 231,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,800.89 : 680,782.38 = 154,265.71 : x
  2. Step 2: Convert to fraction form
    453,800.89/680,782.38 = 154,265.71/x
  3. Step 3: Cross multiply
    453,800.89x = 680,782.38 × 154,265.71
  4. Step 4: Simplify right side
    453,800.89x = 105,021,377,206.19
  5. Step 5: Solve for x
    x = 105,021,377,206.19/453,800.89
  6. Step 6: Final answer
    x = 231,426.12

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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.