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Finding the Fourth Proportional to 498,432.60, 746,757.90 and 303,330.60

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Solution

The fourth proportional to 498,432.60, 746,757.90 and 303,330.60 is: 454,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,432.60 : 746,757.90 = 303,330.60 : x
  2. Step 2: Convert to fraction form
    498,432.60/746,757.90 = 303,330.60/x
  3. Step 3: Cross multiply
    498,432.60x = 746,757.90 × 303,330.60
  4. Step 4: Simplify right side
    498,432.60x = 226,514,521,861.74
  5. Step 5: Solve for x
    x = 226,514,521,861.74/498,432.60
  6. Step 6: Final answer
    x = 454,453.67

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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.