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Finding the Fourth Proportional to 383,367.52, 574,779.12 and 146,510.56

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Solution

The fourth proportional to 383,367.52, 574,779.12 and 146,510.56 is: 219,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,367.52 : 574,779.12 = 146,510.56 : x
  2. Step 2: Convert to fraction form
    383,367.52/574,779.12 = 146,510.56/x
  3. Step 3: Cross multiply
    383,367.52x = 574,779.12 × 146,510.56
  4. Step 4: Simplify right side
    383,367.52x = 84,211,210,747.51
  5. Step 5: Solve for x
    x = 84,211,210,747.51/383,367.52
  6. Step 6: Final answer
    x = 219,661.83

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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.