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Finding the Fourth Proportional to 489,524.99, 734,331.23 and 152,568.50

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Solution

The fourth proportional to 489,524.99, 734,331.23 and 152,568.50 is: 228,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,524.99 : 734,331.23 = 152,568.50 : x
  2. Step 2: Convert to fraction form
    489,524.99/734,331.23 = 152,568.50/x
  3. Step 3: Cross multiply
    489,524.99x = 734,331.23 × 152,568.50
  4. Step 4: Simplify right side
    489,524.99x = 112,035,814,264.26
  5. Step 5: Solve for x
    x = 112,035,814,264.26/489,524.99
  6. Step 6: Final answer
    x = 228,866.38

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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.