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Finding the Fourth Proportional to 216,571.86, 324,353.16 and 210,592.98

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Solution

The fourth proportional to 216,571.86, 324,353.16 and 210,592.98 is: 315,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,571.86 : 324,353.16 = 210,592.98 : x
  2. Step 2: Convert to fraction form
    216,571.86/324,353.16 = 210,592.98/x
  3. Step 3: Cross multiply
    216,571.86x = 324,353.16 × 210,592.98
  4. Step 4: Simplify right side
    216,571.86x = 68,306,498,536.82
  5. Step 5: Solve for x
    x = 68,306,498,536.82/216,571.86
  6. Step 6: Final answer
    x = 315,398.77

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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.