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Finding the Fourth Proportional to 363,863.70, 546,779.70 and 320,561.10

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Solution

The fourth proportional to 363,863.70, 546,779.70 and 320,561.10 is: 481,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,863.70 : 546,779.70 = 320,561.10 : x
  2. Step 2: Convert to fraction form
    363,863.70/546,779.70 = 320,561.10/x
  3. Step 3: Cross multiply
    363,863.70x = 546,779.70 × 320,561.10
  4. Step 4: Simplify right side
    363,863.70x = 175,276,302,089.67
  5. Step 5: Solve for x
    x = 175,276,302,089.67/363,863.70
  6. Step 6: Final answer
    x = 481,708.68

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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.