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Finding the Fourth Proportional to 634,177.89, 875,174.09 and 347,697.36

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Solution

The fourth proportional to 634,177.89, 875,174.09 and 347,697.36 is: 479,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,177.89 : 875,174.09 = 347,697.36 : x
  2. Step 2: Convert to fraction form
    634,177.89/875,174.09 = 347,697.36/x
  3. Step 3: Cross multiply
    634,177.89x = 875,174.09 × 347,697.36
  4. Step 4: Simplify right side
    634,177.89x = 304,295,718,894.92
  5. Step 5: Solve for x
    x = 304,295,718,894.92/634,177.89
  6. Step 6: Final answer
    x = 479,827.07

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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.