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Finding the Fourth Proportional to 246,611.88, 340,298.34 and 143,225.88

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Solution

The fourth proportional to 246,611.88, 340,298.34 and 143,225.88 is: 197,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,611.88 : 340,298.34 = 143,225.88 : x
  2. Step 2: Convert to fraction form
    246,611.88/340,298.34 = 143,225.88/x
  3. Step 3: Cross multiply
    246,611.88x = 340,298.34 × 143,225.88
  4. Step 4: Simplify right side
    246,611.88x = 48,739,529,209.04
  5. Step 5: Solve for x
    x = 48,739,529,209.04/246,611.88
  6. Step 6: Final answer
    x = 197,636.58

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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.