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Finding the Fourth Proportional to 483,785.44, 725,831.25 and 217,569.22

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Solution

The fourth proportional to 483,785.44, 725,831.25 and 217,569.22 is: 326,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,785.44 : 725,831.25 = 217,569.22 : x
  2. Step 2: Convert to fraction form
    483,785.44/725,831.25 = 217,569.22/x
  3. Step 3: Cross multiply
    483,785.44x = 725,831.25 × 217,569.22
  4. Step 4: Simplify right side
    483,785.44x = 157,918,536,283.66
  5. Step 5: Solve for x
    x = 157,918,536,283.66/483,785.44
  6. Step 6: Final answer
    x = 326,422.67

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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.