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Finding the Fourth Proportional to 424,181.89, 585,336.20 and 249,724.40

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Solution

The fourth proportional to 424,181.89, 585,336.20 and 249,724.40 is: 344,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,181.89 : 585,336.20 = 249,724.40 : x
  2. Step 2: Convert to fraction form
    424,181.89/585,336.20 = 249,724.40/x
  3. Step 3: Cross multiply
    424,181.89x = 585,336.20 × 249,724.40
  4. Step 4: Simplify right side
    424,181.89x = 146,172,727,167.98
  5. Step 5: Solve for x
    x = 146,172,727,167.98/424,181.89
  6. Step 6: Final answer
    x = 344,599.17

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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.