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Finding the Fourth Proportional to 503,175.36, 694,380.96 and 276,820.32

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Solution

The fourth proportional to 503,175.36, 694,380.96 and 276,820.32 is: 382,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,175.36 : 694,380.96 = 276,820.32 : x
  2. Step 2: Convert to fraction form
    503,175.36/694,380.96 = 276,820.32/x
  3. Step 3: Cross multiply
    503,175.36x = 694,380.96 × 276,820.32
  4. Step 4: Simplify right side
    503,175.36x = 192,218,759,549.11
  5. Step 5: Solve for x
    x = 192,218,759,549.11/503,175.36
  6. Step 6: Final answer
    x = 382,011.47

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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.