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Finding the Fourth Proportional to 682,997.32, 942,536.55 and 377,073.96

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Solution

The fourth proportional to 682,997.32, 942,536.55 and 377,073.96 is: 520,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,997.32 : 942,536.55 = 377,073.96 : x
  2. Step 2: Convert to fraction form
    682,997.32/942,536.55 = 377,073.96/x
  3. Step 3: Cross multiply
    682,997.32x = 942,536.55 × 377,073.96
  4. Step 4: Simplify right side
    682,997.32x = 355,405,989,353.24
  5. Step 5: Solve for x
    x = 355,405,989,353.24/682,997.32
  6. Step 6: Final answer
    x = 520,362.20

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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.