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Finding the Fourth Proportional to 445,822.92, 615,235.64 and 254,840.46

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Solution

The fourth proportional to 445,822.92, 615,235.64 and 254,840.46 is: 351,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,822.92 : 615,235.64 = 254,840.46 : x
  2. Step 2: Convert to fraction form
    445,822.92/615,235.64 = 254,840.46/x
  3. Step 3: Cross multiply
    445,822.92x = 615,235.64 × 254,840.46
  4. Step 4: Simplify right side
    445,822.92x = 156,786,932,231.79
  5. Step 5: Solve for x
    x = 156,786,932,231.79/445,822.92
  6. Step 6: Final answer
    x = 351,679.84

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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.