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Finding the Fourth Proportional to 483,876.76, 725,831.34 and 168,336.76

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Solution

The fourth proportional to 483,876.76, 725,831.34 and 168,336.76 is: 252,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,876.76 : 725,831.34 = 168,336.76 : x
  2. Step 2: Convert to fraction form
    483,876.76/725,831.34 = 168,336.76/x
  3. Step 3: Cross multiply
    483,876.76x = 725,831.34 × 168,336.76
  4. Step 4: Simplify right side
    483,876.76x = 122,184,096,082.06
  5. Step 5: Solve for x
    x = 122,184,096,082.06/483,876.76
  6. Step 6: Final answer
    x = 252,510.78

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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.