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Finding the Fourth Proportional to 417,126.21, 575,611.11 and 235,826.64

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Solution

The fourth proportional to 417,126.21, 575,611.11 and 235,826.64 is: 325,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,126.21 : 575,611.11 = 235,826.64 : x
  2. Step 2: Convert to fraction form
    417,126.21/575,611.11 = 235,826.64/x
  3. Step 3: Cross multiply
    417,126.21x = 575,611.11 × 235,826.64
  4. Step 4: Simplify right side
    417,126.21x = 135,744,434,017.97
  5. Step 5: Solve for x
    x = 135,744,434,017.97/417,126.21
  6. Step 6: Final answer
    x = 325,427.73

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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.