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Finding the Fourth Proportional to 339,751.16, 508,517.80 and 249,770.05

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Solution

The fourth proportional to 339,751.16, 508,517.80 and 249,770.05 is: 373,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,751.16 : 508,517.80 = 249,770.05 : x
  2. Step 2: Convert to fraction form
    339,751.16/508,517.80 = 249,770.05/x
  3. Step 3: Cross multiply
    339,751.16x = 508,517.80 × 249,770.05
  4. Step 4: Simplify right side
    339,751.16x = 127,012,514,436.17
  5. Step 5: Solve for x
    x = 127,012,514,436.17/339,751.16
  6. Step 6: Final answer
    x = 373,839.83

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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.