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Finding the Fourth Proportional to 246,646.98, 340,373.28 and 133,469.76

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Solution

The fourth proportional to 246,646.98, 340,373.28 and 133,469.76 is: 184,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,646.98 : 340,373.28 = 133,469.76 : x
  2. Step 2: Convert to fraction form
    246,646.98/340,373.28 = 133,469.76/x
  3. Step 3: Cross multiply
    246,646.98x = 340,373.28 × 133,469.76
  4. Step 4: Simplify right side
    246,646.98x = 45,429,539,992.01
  5. Step 5: Solve for x
    x = 45,429,539,992.01/246,646.98
  6. Step 6: Final answer
    x = 184,188.51

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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.