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Finding the Fourth Proportional to 430,379.87, 593,996.29 and 249,060.56

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Solution

The fourth proportional to 430,379.87, 593,996.29 and 249,060.56 is: 343,745.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,379.87 : 593,996.29 = 249,060.56 : x
  2. Step 2: Convert to fraction form
    430,379.87/593,996.29 = 249,060.56/x
  3. Step 3: Cross multiply
    430,379.87x = 593,996.29 × 249,060.56
  4. Step 4: Simplify right side
    430,379.87x = 147,941,045,032.69
  5. Step 5: Solve for x
    x = 147,941,045,032.69/430,379.87
  6. Step 6: Final answer
    x = 343,745.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.