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Finding the Fourth Proportional to 326,597.67, 489,898.94 and 89,953.34

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Solution

The fourth proportional to 326,597.67, 489,898.94 and 89,953.34 is: 134,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,597.67 : 489,898.94 = 89,953.34 : x
  2. Step 2: Convert to fraction form
    326,597.67/489,898.94 = 89,953.34/x
  3. Step 3: Cross multiply
    326,597.67x = 489,898.94 × 89,953.34
  4. Step 4: Simplify right side
    326,597.67x = 44,068,043,016.20
  5. Step 5: Solve for x
    x = 44,068,043,016.20/326,597.67
  6. Step 6: Final answer
    x = 134,930.67

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1.5x scale

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.