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Finding the Fourth Proportional to 326,037.59, 489,197.18 and 176,383.31

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Solution

The fourth proportional to 326,037.59, 489,197.18 and 176,383.31 is: 264,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,037.59 : 489,197.18 = 176,383.31 : x
  2. Step 2: Convert to fraction form
    326,037.59/489,197.18 = 176,383.31/x
  3. Step 3: Cross multiply
    326,037.59x = 489,197.18 × 176,383.31
  4. Step 4: Simplify right side
    326,037.59x = 86,286,217,851.07
  5. Step 5: Solve for x
    x = 86,286,217,851.07/326,037.59
  6. Step 6: Final answer
    x = 264,651.13

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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.