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Finding the Fourth Proportional to 406,146.69, 560,629.62 and 236,380.86

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Solution

The fourth proportional to 406,146.69, 560,629.62 and 236,380.86 is: 326,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,146.69 : 560,629.62 = 236,380.86 : x
  2. Step 2: Convert to fraction form
    406,146.69/560,629.62 = 236,380.86/x
  3. Step 3: Cross multiply
    406,146.69x = 560,629.62 × 236,380.86
  4. Step 4: Simplify right side
    406,146.69x = 132,522,111,717.07
  5. Step 5: Solve for x
    x = 132,522,111,717.07/406,146.69
  6. Step 6: Final answer
    x = 326,291.25

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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.