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Finding the Fourth Proportional to 483,752.76, 725,380.32 and 217,284.60

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Solution

The fourth proportional to 483,752.76, 725,380.32 and 217,284.60 is: 325,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,752.76 : 725,380.32 = 217,284.60 : x
  2. Step 2: Convert to fraction form
    483,752.76/725,380.32 = 217,284.60/x
  3. Step 3: Cross multiply
    483,752.76x = 725,380.32 × 217,284.60
  4. Step 4: Simplify right side
    483,752.76x = 157,613,972,679.07
  5. Step 5: Solve for x
    x = 157,613,972,679.07/483,752.76
  6. Step 6: Final answer
    x = 325,815.14

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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.