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Finding the Fourth Proportional to 416,817.28, 575,200.32 and 235,525.31

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Solution

The fourth proportional to 416,817.28, 575,200.32 and 235,525.31 is: 325,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,817.28 : 575,200.32 = 235,525.31 : x
  2. Step 2: Convert to fraction form
    416,817.28/575,200.32 = 235,525.31/x
  3. Step 3: Cross multiply
    416,817.28x = 575,200.32 × 235,525.31
  4. Step 4: Simplify right side
    416,817.28x = 135,474,232,077.88
  5. Step 5: Solve for x
    x = 135,474,232,077.88/416,817.28
  6. Step 6: Final answer
    x = 325,020.67

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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.