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Finding the Fourth Proportional to 340,551.35, 469,960.84 and 197,394.44

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Solution

The fourth proportional to 340,551.35, 469,960.84 and 197,394.44 is: 272,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,551.35 : 469,960.84 = 197,394.44 : x
  2. Step 2: Convert to fraction form
    340,551.35/469,960.84 = 197,394.44/x
  3. Step 3: Cross multiply
    340,551.35x = 469,960.84 × 197,394.44
  4. Step 4: Simplify right side
    340,551.35x = 92,767,653,620.32
  5. Step 5: Solve for x
    x = 92,767,653,620.32/340,551.35
  6. Step 6: Final answer
    x = 272,404.30

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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.