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Finding the Fourth Proportional to 216,237.45, 324,355.41 and 58,465.89

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Solution

The fourth proportional to 216,237.45, 324,355.41 and 58,465.89 is: 87,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,237.45 : 324,355.41 = 58,465.89 : x
  2. Step 2: Convert to fraction form
    216,237.45/324,355.41 = 58,465.89/x
  3. Step 3: Cross multiply
    216,237.45x = 324,355.41 × 58,465.89
  4. Step 4: Simplify right side
    216,237.45x = 18,963,727,721.96
  5. Step 5: Solve for x
    x = 18,963,727,721.96/216,237.45
  6. Step 6: Final answer
    x = 87,698.63

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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.