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Finding the Fourth Proportional to 508,228.46, 701,237.66 and 304,201.86

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Solution

The fourth proportional to 508,228.46, 701,237.66 and 304,201.86 is: 419,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,228.46 : 701,237.66 = 304,201.86 : x
  2. Step 2: Convert to fraction form
    508,228.46/701,237.66 = 304,201.86/x
  3. Step 3: Cross multiply
    508,228.46x = 701,237.66 × 304,201.86
  4. Step 4: Simplify right side
    508,228.46x = 213,317,800,474.05
  5. Step 5: Solve for x
    x = 213,317,800,474.05/508,228.46
  6. Step 6: Final answer
    x = 419,728.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.