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Finding the Fourth Proportional to 537,269.20, 805,212.60 and 326,683.60

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Solution

The fourth proportional to 537,269.20, 805,212.60 and 326,683.60 is: 489,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,269.20 : 805,212.60 = 326,683.60 : x
  2. Step 2: Convert to fraction form
    537,269.20/805,212.60 = 326,683.60/x
  3. Step 3: Cross multiply
    537,269.20x = 805,212.60 × 326,683.60
  4. Step 4: Simplify right side
    537,269.20x = 263,049,750,933.36
  5. Step 5: Solve for x
    x = 263,049,750,933.36/537,269.20
  6. Step 6: Final answer
    x = 489,605.12

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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.