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Finding the Fourth Proportional to 339,363.03, 508,648.45 and 249,787.15

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Solution

The fourth proportional to 339,363.03, 508,648.45 and 249,787.15 is: 374,389.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,363.03 : 508,648.45 = 249,787.15 : x
  2. Step 2: Convert to fraction form
    339,363.03/508,648.45 = 249,787.15/x
  3. Step 3: Cross multiply
    339,363.03x = 508,648.45 × 249,787.15
  4. Step 4: Simplify right side
    339,363.03x = 127,053,846,677.42
  5. Step 5: Solve for x
    x = 127,053,846,677.42/339,363.03
  6. Step 6: Final answer
    x = 374,389.18

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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.