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Finding the Fourth Proportional to 339,785.30, 508,568.65 and 249,804.27

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Solution

The fourth proportional to 339,785.30, 508,568.65 and 249,804.27 is: 373,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,785.30 : 508,568.65 = 249,804.27 : x
  2. Step 2: Convert to fraction form
    339,785.30/508,568.65 = 249,804.27/x
  3. Step 3: Cross multiply
    339,785.30x = 508,568.65 × 249,804.27
  4. Step 4: Simplify right side
    339,785.30x = 127,042,616,566.27
  5. Step 5: Solve for x
    x = 127,042,616,566.27/339,785.30
  6. Step 6: Final answer
    x = 373,890.86

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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.