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Finding the Fourth Proportional to 543,235.60, 816,082.20 and 377,347.60

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Solution

The fourth proportional to 543,235.60, 816,082.20 and 377,347.60 is: 566,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,235.60 : 816,082.20 = 377,347.60 : x
  2. Step 2: Convert to fraction form
    543,235.60/816,082.20 = 377,347.60/x
  3. Step 3: Cross multiply
    543,235.60x = 816,082.20 × 377,347.60
  4. Step 4: Simplify right side
    543,235.60x = 307,946,659,572.72
  5. Step 5: Solve for x
    x = 307,946,659,572.72/543,235.60
  6. Step 6: Final answer
    x = 566,874.96

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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.