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Finding the Fourth Proportional to 417,180.70, 575,705.90 and 235,928.22

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Solution

The fourth proportional to 417,180.70, 575,705.90 and 235,928.22 is: 325,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,180.70 : 575,705.90 = 235,928.22 : x
  2. Step 2: Convert to fraction form
    417,180.70/575,705.90 = 235,928.22/x
  3. Step 3: Cross multiply
    417,180.70x = 575,705.90 × 235,928.22
  4. Step 4: Simplify right side
    417,180.70x = 135,825,268,230.50
  5. Step 5: Solve for x
    x = 135,825,268,230.50/417,180.70
  6. Step 6: Final answer
    x = 325,578.98

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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.