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Finding the Fourth Proportional to 432,620.40, 597,012.64 and 239,027.50

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Solution

The fourth proportional to 432,620.40, 597,012.64 and 239,027.50 is: 329,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,620.40 : 597,012.64 = 239,027.50 : x
  2. Step 2: Convert to fraction form
    432,620.40/597,012.64 = 239,027.50/x
  3. Step 3: Cross multiply
    432,620.40x = 597,012.64 × 239,027.50
  4. Step 4: Simplify right side
    432,620.40x = 142,702,438,807.60
  5. Step 5: Solve for x
    x = 142,702,438,807.60/432,620.40
  6. Step 6: Final answer
    x = 329,856.01

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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.