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Finding the Fourth Proportional to 355,235.70, 532,853.55 and 222,525.30

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Solution

The fourth proportional to 355,235.70, 532,853.55 and 222,525.30 is: 333,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.70 : 532,853.55 = 222,525.30 : x
  2. Step 2: Convert to fraction form
    355,235.70/532,853.55 = 222,525.30/x
  3. Step 3: Cross multiply
    355,235.70x = 532,853.55 × 222,525.30
  4. Step 4: Simplify right side
    355,235.70x = 118,573,396,069.82
  5. Step 5: Solve for x
    x = 118,573,396,069.82/355,235.70
  6. Step 6: Final answer
    x = 333,787.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.