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Finding the Fourth Proportional to 365,572.20, 547,580.70 and 303,364.20

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Solution

The fourth proportional to 365,572.20, 547,580.70 and 303,364.20 is: 454,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,572.20 : 547,580.70 = 303,364.20 : x
  2. Step 2: Convert to fraction form
    365,572.20/547,580.70 = 303,364.20/x
  3. Step 3: Cross multiply
    365,572.20x = 547,580.70 × 303,364.20
  4. Step 4: Simplify right side
    365,572.20x = 166,116,380,990.94
  5. Step 5: Solve for x
    x = 166,116,380,990.94/365,572.20
  6. Step 6: Final answer
    x = 454,401.02

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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.