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Finding the Fourth Proportional to 326,368.98, 489,700.31 and 176,433.71

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Solution

The fourth proportional to 326,368.98, 489,700.31 and 176,433.71 is: 264,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,368.98 : 489,700.31 = 176,433.71 : x
  2. Step 2: Convert to fraction form
    326,368.98/489,700.31 = 176,433.71/x
  3. Step 3: Cross multiply
    326,368.98x = 489,700.31 × 176,433.71
  4. Step 4: Simplify right side
    326,368.98x = 86,399,639,150.78
  5. Step 5: Solve for x
    x = 86,399,639,150.78/326,368.98
  6. Step 6: Final answer
    x = 264,729.94

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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.