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Finding the Fourth Proportional to 295,005.53, 406,960.25 and 186,244.66

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Solution

The fourth proportional to 295,005.53, 406,960.25 and 186,244.66 is: 256,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,005.53 : 406,960.25 = 186,244.66 : x
  2. Step 2: Convert to fraction form
    295,005.53/406,960.25 = 186,244.66/x
  3. Step 3: Cross multiply
    295,005.53x = 406,960.25 × 186,244.66
  4. Step 4: Simplify right side
    295,005.53x = 75,794,171,359.96
  5. Step 5: Solve for x
    x = 75,794,171,359.96/295,005.53
  6. Step 6: Final answer
    x = 256,924.58

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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.