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Finding the Fourth Proportional to 432,015.20, 647,792.40 and 182,415.20

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Solution

The fourth proportional to 432,015.20, 647,792.40 and 182,415.20 is: 273,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,015.20 : 647,792.40 = 182,415.20 : x
  2. Step 2: Convert to fraction form
    432,015.20/647,792.40 = 182,415.20/x
  3. Step 3: Cross multiply
    432,015.20x = 647,792.40 × 182,415.20
  4. Step 4: Simplify right side
    432,015.20x = 118,167,180,204.48
  5. Step 5: Solve for x
    x = 118,167,180,204.48/432,015.20
  6. Step 6: Final answer
    x = 273,525.52

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1.5x scale

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.