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Finding the Fourth Proportional to 545,082.96, 752,213.70 and 303,359.77

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Solution

The fourth proportional to 545,082.96, 752,213.70 and 303,359.77 is: 418,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,082.96 : 752,213.70 = 303,359.77 : x
  2. Step 2: Convert to fraction form
    545,082.96/752,213.70 = 303,359.77/x
  3. Step 3: Cross multiply
    545,082.96x = 752,213.70 × 303,359.77
  4. Step 4: Simplify right side
    545,082.96x = 228,191,373,142.32
  5. Step 5: Solve for x
    x = 228,191,373,142.32/545,082.96
  6. Step 6: Final answer
    x = 418,636.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.