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Finding the Fourth Proportional to 635,831.56, 877,446.84 and 349,350.94

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Solution

The fourth proportional to 635,831.56, 877,446.84 and 349,350.94 is: 482,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,831.56 : 877,446.84 = 349,350.94 : x
  2. Step 2: Convert to fraction form
    635,831.56/877,446.84 = 349,350.94/x
  3. Step 3: Cross multiply
    635,831.56x = 877,446.84 × 349,350.94
  4. Step 4: Simplify right side
    635,831.56x = 306,536,878,354.03
  5. Step 5: Solve for x
    x = 306,536,878,354.03/635,831.56
  6. Step 6: Final answer
    x = 482,103.91

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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.