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Finding the Fourth Proportional to 377,082.50, 520,541.60 and 224,170.20

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Solution

The fourth proportional to 377,082.50, 520,541.60 and 224,170.20 is: 309,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,082.50 : 520,541.60 = 224,170.20 : x
  2. Step 2: Convert to fraction form
    377,082.50/520,541.60 = 224,170.20/x
  3. Step 3: Cross multiply
    377,082.50x = 520,541.60 × 224,170.20
  4. Step 4: Simplify right side
    377,082.50x = 116,689,913,459.47
  5. Step 5: Solve for x
    x = 116,689,913,459.47/377,082.50
  6. Step 6: Final answer
    x = 309,454.60

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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.