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Finding the Fourth Proportional to 383,559.92, 574,488.65 and 248,188.72

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Solution

The fourth proportional to 383,559.92, 574,488.65 and 248,188.72 is: 371,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,559.92 : 574,488.65 = 248,188.72 : x
  2. Step 2: Convert to fraction form
    383,559.92/574,488.65 = 248,188.72/x
  3. Step 3: Cross multiply
    383,559.92x = 574,488.65 × 248,188.72
  4. Step 4: Simplify right side
    383,559.92x = 142,581,601,261.81
  5. Step 5: Solve for x
    x = 142,581,601,261.81/383,559.92
  6. Step 6: Final answer
    x = 371,732.28

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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.