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Finding the Fourth Proportional to 374,018.77, 560,947.96 and 107,729.65

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Solution

The fourth proportional to 374,018.77, 560,947.96 and 107,729.65 is: 161,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,018.77 : 560,947.96 = 107,729.65 : x
  2. Step 2: Convert to fraction form
    374,018.77/560,947.96 = 107,729.65/x
  3. Step 3: Cross multiply
    374,018.77x = 560,947.96 × 107,729.65
  4. Step 4: Simplify right side
    374,018.77x = 60,430,727,399.01
  5. Step 5: Solve for x
    x = 60,430,727,399.01/374,018.77
  6. Step 6: Final answer
    x = 161,571.38

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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.