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Finding the Fourth Proportional to 347,978.76, 480,244.42 and 195,042.94

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Solution

The fourth proportional to 347,978.76, 480,244.42 and 195,042.94 is: 269,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,978.76 : 480,244.42 = 195,042.94 : x
  2. Step 2: Convert to fraction form
    347,978.76/480,244.42 = 195,042.94/x
  3. Step 3: Cross multiply
    347,978.76x = 480,244.42 × 195,042.94
  4. Step 4: Simplify right side
    347,978.76x = 93,668,283,595.39
  5. Step 5: Solve for x
    x = 93,668,283,595.39/347,978.76
  6. Step 6: Final answer
    x = 269,178.16

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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.