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Finding the Fourth Proportional to 453,796.70, 680,695.05 and 432,023.90

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Solution

The fourth proportional to 453,796.70, 680,695.05 and 432,023.90 is: 648,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,796.70 : 680,695.05 = 432,023.90 : x
  2. Step 2: Convert to fraction form
    453,796.70/680,695.05 = 432,023.90/x
  3. Step 3: Cross multiply
    453,796.70x = 680,695.05 × 432,023.90
  4. Step 4: Simplify right side
    453,796.70x = 294,076,530,211.70
  5. Step 5: Solve for x
    x = 294,076,530,211.70/453,796.70
  6. Step 6: Final answer
    x = 648,035.85

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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.