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Finding the Fourth Proportional to 326,695.68, 489,922.56 and 116,277.12

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Solution

The fourth proportional to 326,695.68, 489,922.56 and 116,277.12 is: 174,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,695.68 : 489,922.56 = 116,277.12 : x
  2. Step 2: Convert to fraction form
    326,695.68/489,922.56 = 116,277.12/x
  3. Step 3: Cross multiply
    326,695.68x = 489,922.56 × 116,277.12
  4. Step 4: Simplify right side
    326,695.68x = 56,966,784,299.83
  5. Step 5: Solve for x
    x = 56,966,784,299.83/326,695.68
  6. Step 6: Final answer
    x = 174,372.63

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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.