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Finding the Fourth Proportional to 363,277.80, 544,916.70 and 321,805.80

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Solution

The fourth proportional to 363,277.80, 544,916.70 and 321,805.80 is: 482,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,277.80 : 544,916.70 = 321,805.80 : x
  2. Step 2: Convert to fraction form
    363,277.80/544,916.70 = 321,805.80/x
  3. Step 3: Cross multiply
    363,277.80x = 544,916.70 × 321,805.80
  4. Step 4: Simplify right side
    363,277.80x = 175,357,354,576.86
  5. Step 5: Solve for x
    x = 175,357,354,576.86/363,277.80
  6. Step 6: Final answer
    x = 482,708.70

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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.