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Finding the Fourth Proportional to 417,757.25, 576,343.50 and 236,427.59

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Solution

The fourth proportional to 417,757.25, 576,343.50 and 236,427.59 is: 326,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,757.25 : 576,343.50 = 236,427.59 : x
  2. Step 2: Convert to fraction form
    417,757.25/576,343.50 = 236,427.59/x
  3. Step 3: Cross multiply
    417,757.25x = 576,343.50 × 236,427.59
  4. Step 4: Simplify right side
    417,757.25x = 136,263,501,835.45
  5. Step 5: Solve for x
    x = 136,263,501,835.45/417,757.25
  6. Step 6: Final answer
    x = 326,178.67

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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.