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Finding the Fourth Proportional to 635,624.98, 877,167.70 and 349,151.46

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Solution

The fourth proportional to 635,624.98, 877,167.70 and 349,151.46 is: 481,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,624.98 : 877,167.70 = 349,151.46 : x
  2. Step 2: Convert to fraction form
    635,624.98/877,167.70 = 349,151.46/x
  3. Step 3: Cross multiply
    635,624.98x = 877,167.70 × 349,151.46
  4. Step 4: Simplify right side
    635,624.98x = 306,264,383,119.84
  5. Step 5: Solve for x
    x = 306,264,383,119.84/635,624.98
  6. Step 6: Final answer
    x = 481,831.89

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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.