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Finding the Fourth Proportional to 483,867.60, 725,145.30 and 323,487.60

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Solution

The fourth proportional to 483,867.60, 725,145.30 and 323,487.60 is: 484,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,867.60 : 725,145.30 = 323,487.60 : x
  2. Step 2: Convert to fraction form
    483,867.60/725,145.30 = 323,487.60/x
  3. Step 3: Cross multiply
    483,867.60x = 725,145.30 × 323,487.60
  4. Step 4: Simplify right side
    483,867.60x = 234,575,512,748.28
  5. Step 5: Solve for x
    x = 234,575,512,748.28/483,867.60
  6. Step 6: Final answer
    x = 484,792.77

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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.