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Finding the Fourth Proportional to 339,362.03, 508,646.95 and 249,786.15

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Solution

The fourth proportional to 339,362.03, 508,646.95 and 249,786.15 is: 374,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,362.03 : 508,646.95 = 249,786.15 : x
  2. Step 2: Convert to fraction form
    339,362.03/508,646.95 = 249,786.15/x
  3. Step 3: Cross multiply
    339,362.03x = 508,646.95 × 249,786.15
  4. Step 4: Simplify right side
    339,362.03x = 127,052,962,725.28
  5. Step 5: Solve for x
    x = 127,052,962,725.28/339,362.03
  6. Step 6: Final answer
    x = 374,387.68

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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.