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Finding the Fourth Proportional to 519,049.56, 716,739.06 and 325,792.28

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Solution

The fourth proportional to 519,049.56, 716,739.06 and 325,792.28 is: 449,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,049.56 : 716,739.06 = 325,792.28 : x
  2. Step 2: Convert to fraction form
    519,049.56/716,739.06 = 325,792.28/x
  3. Step 3: Cross multiply
    519,049.56x = 716,739.06 × 325,792.28
  4. Step 4: Simplify right side
    519,049.56x = 233,508,052,522.46
  5. Step 5: Solve for x
    x = 233,508,052,522.46/519,049.56
  6. Step 6: Final answer
    x = 449,876.22

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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.