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Finding the Fourth Proportional to 295,830.45, 408,442.95 and 175,010.43

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Solution

The fourth proportional to 295,830.45, 408,442.95 and 175,010.43 is: 241,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,830.45 : 408,442.95 = 175,010.43 : x
  2. Step 2: Convert to fraction form
    295,830.45/408,442.95 = 175,010.43/x
  3. Step 3: Cross multiply
    295,830.45x = 408,442.95 × 175,010.43
  4. Step 4: Simplify right side
    295,830.45x = 71,481,776,309.97
  5. Step 5: Solve for x
    x = 71,481,776,309.97/295,830.45
  6. Step 6: Final answer
    x = 241,630.89

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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.