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Finding the Fourth Proportional to 384,706.33, 531,042.90 and 344,348.89

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Solution

The fourth proportional to 384,706.33, 531,042.90 and 344,348.89 is: 475,334.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,706.33 : 531,042.90 = 344,348.89 : x
  2. Step 2: Convert to fraction form
    384,706.33/531,042.90 = 344,348.89/x
  3. Step 3: Cross multiply
    384,706.33x = 531,042.90 × 344,348.89
  4. Step 4: Simplify right side
    384,706.33x = 182,864,033,157.38
  5. Step 5: Solve for x
    x = 182,864,033,157.38/384,706.33
  6. Step 6: Final answer
    x = 475,334.09

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1.5x scale

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.