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Finding the Fourth Proportional to 246,645, 340,370.40 and 133,467.75

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Solution

The fourth proportional to 246,645, 340,370.40 and 133,467.75 is: 184,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,645 : 340,370.40 = 133,467.75 : x
  2. Step 2: Convert to fraction form
    246,645/340,370.40 = 133,467.75/x
  3. Step 3: Cross multiply
    246,645x = 340,370.40 × 133,467.75
  4. Step 4: Simplify right side
    246,645x = 45,428,471,955.10
  5. Step 5: Solve for x
    x = 45,428,471,955.10/246,645
  6. Step 6: Final answer
    x = 184,185.66

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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.