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Finding the Fourth Proportional to 365,417.64, 504,278.28 and 204,279.48

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Solution

The fourth proportional to 365,417.64, 504,278.28 and 204,279.48 is: 281,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,417.64 : 504,278.28 = 204,279.48 : x
  2. Step 2: Convert to fraction form
    365,417.64/504,278.28 = 204,279.48/x
  3. Step 3: Cross multiply
    365,417.64x = 504,278.28 × 204,279.48
  4. Step 4: Simplify right side
    365,417.64x = 103,013,704,813.69
  5. Step 5: Solve for x
    x = 103,013,704,813.69/365,417.64
  6. Step 6: Final answer
    x = 281,906.77

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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.