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Finding the Fourth Proportional to 376,356.39, 519,370.51 and 204,274.36

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Solution

The fourth proportional to 376,356.39, 519,370.51 and 204,274.36 is: 281,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,356.39 : 519,370.51 = 204,274.36 : x
  2. Step 2: Convert to fraction form
    376,356.39/519,370.51 = 204,274.36/x
  3. Step 3: Cross multiply
    376,356.39x = 519,370.51 × 204,274.36
  4. Step 4: Simplify right side
    376,356.39x = 106,094,078,533.12
  5. Step 5: Solve for x
    x = 106,094,078,533.12/376,356.39
  6. Step 6: Final answer
    x = 281,897.91

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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.