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Finding the Fourth Proportional to 376,393.60, 519,423.68 and 204,311.46

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Solution

The fourth proportional to 376,393.60, 519,423.68 and 204,311.46 is: 281,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,393.60 : 519,423.68 = 204,311.46 : x
  2. Step 2: Convert to fraction form
    376,393.60/519,423.68 = 204,311.46/x
  3. Step 3: Cross multiply
    376,393.60x = 519,423.68 × 204,311.46
  4. Step 4: Simplify right side
    376,393.60x = 106,124,210,419.37
  5. Step 5: Solve for x
    x = 106,124,210,419.37/376,393.60
  6. Step 6: Final answer
    x = 281,950.09

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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.