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Finding the Fourth Proportional to 441,762.30, 662,643.45 and 231,372.90

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Solution

The fourth proportional to 441,762.30, 662,643.45 and 231,372.90 is: 347,059.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,762.30 : 662,643.45 = 231,372.90 : x
  2. Step 2: Convert to fraction form
    441,762.30/662,643.45 = 231,372.90/x
  3. Step 3: Cross multiply
    441,762.30x = 662,643.45 × 231,372.90
  4. Step 4: Simplify right side
    441,762.30x = 153,317,736,692.51
  5. Step 5: Solve for x
    x = 153,317,736,692.51/441,762.30
  6. Step 6: Final answer
    x = 347,059.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.