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Finding the Fourth Proportional to 345,219.84, 476,392.32 and 194,296.32

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Solution

The fourth proportional to 345,219.84, 476,392.32 and 194,296.32 is: 268,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,219.84 : 476,392.32 = 194,296.32 : x
  2. Step 2: Convert to fraction form
    345,219.84/476,392.32 = 194,296.32/x
  3. Step 3: Cross multiply
    345,219.84x = 476,392.32 × 194,296.32
  4. Step 4: Simplify right side
    345,219.84x = 92,561,274,652.26
  5. Step 5: Solve for x
    x = 92,561,274,652.26/345,219.84
  6. Step 6: Final answer
    x = 268,122.70

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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.