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Finding the Fourth Proportional to 416,818.56, 575,231.96 and 235,538.12

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Solution

The fourth proportional to 416,818.56, 575,231.96 and 235,538.12 is: 325,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,818.56 : 575,231.96 = 235,538.12 : x
  2. Step 2: Convert to fraction form
    416,818.56/575,231.96 = 235,538.12/x
  3. Step 3: Cross multiply
    416,818.56x = 575,231.96 × 235,538.12
  4. Step 4: Simplify right side
    416,818.56x = 135,489,054,422.32
  5. Step 5: Solve for x
    x = 135,489,054,422.32/416,818.56
  6. Step 6: Final answer
    x = 325,055.23

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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.