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Finding the Fourth Proportional to 347,072.70, 519,831.45 and 207,104.70

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Solution

The fourth proportional to 347,072.70, 519,831.45 and 207,104.70 is: 310,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,072.70 : 519,831.45 = 207,104.70 : x
  2. Step 2: Convert to fraction form
    347,072.70/519,831.45 = 207,104.70/x
  3. Step 3: Cross multiply
    347,072.70x = 519,831.45 × 207,104.70
  4. Step 4: Simplify right side
    347,072.70x = 107,659,536,502.82
  5. Step 5: Solve for x
    x = 107,659,536,502.82/347,072.70
  6. Step 6: Final answer
    x = 310,193.04

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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.