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Finding the Fourth Proportional to 416,734.12, 575,091.83 and 235,445.98

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Solution

The fourth proportional to 416,734.12, 575,091.83 and 235,445.98 is: 324,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,734.12 : 575,091.83 = 235,445.98 : x
  2. Step 2: Convert to fraction form
    416,734.12/575,091.83 = 235,445.98/x
  3. Step 3: Cross multiply
    416,734.12x = 575,091.83 × 235,445.98
  4. Step 4: Simplify right side
    416,734.12x = 135,403,059,504.34
  5. Step 5: Solve for x
    x = 135,403,059,504.34/416,734.12
  6. Step 6: Final answer
    x = 324,914.74

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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.