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Finding the Fourth Proportional to 326,179.61, 489,410.20 and 176,525.49

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Solution

The fourth proportional to 326,179.61, 489,410.20 and 176,525.49 is: 264,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,179.61 : 489,410.20 = 176,525.49 : x
  2. Step 2: Convert to fraction form
    326,179.61/489,410.20 = 176,525.49/x
  3. Step 3: Cross multiply
    326,179.61x = 489,410.20 × 176,525.49
  4. Step 4: Simplify right side
    326,179.61x = 86,393,377,421.94
  5. Step 5: Solve for x
    x = 86,393,377,421.94/326,179.61
  6. Step 6: Final answer
    x = 264,864.43

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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.