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Finding the Fourth Proportional to 682,337.79, 941,635.94 and 395,944.47

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Solution

The fourth proportional to 682,337.79, 941,635.94 and 395,944.47 is: 546,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,337.79 : 941,635.94 = 395,944.47 : x
  2. Step 2: Convert to fraction form
    682,337.79/941,635.94 = 395,944.47/x
  3. Step 3: Cross multiply
    682,337.79x = 941,635.94 × 395,944.47
  4. Step 4: Simplify right side
    682,337.79x = 372,835,541,216.53
  5. Step 5: Solve for x
    x = 372,835,541,216.53/682,337.79
  6. Step 6: Final answer
    x = 546,409.05

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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.