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Finding the Fourth Proportional to 432,833.20, 648,472.20 and 370,625.20

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Solution

The fourth proportional to 432,833.20, 648,472.20 and 370,625.20 is: 555,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,833.20 : 648,472.20 = 370,625.20 : x
  2. Step 2: Convert to fraction form
    432,833.20/648,472.20 = 370,625.20/x
  3. Step 3: Cross multiply
    432,833.20x = 648,472.20 × 370,625.20
  4. Step 4: Simplify right side
    432,833.20x = 240,340,138,819.44
  5. Step 5: Solve for x
    x = 240,340,138,819.44/432,833.20
  6. Step 6: Final answer
    x = 555,271.96

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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.