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Finding the Fourth Proportional to 445,935.37, 615,215.63 and 254,846.24

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Solution

The fourth proportional to 445,935.37, 615,215.63 and 254,846.24 is: 351,587.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,935.37 : 615,215.63 = 254,846.24 : x
  2. Step 2: Convert to fraction form
    445,935.37/615,215.63 = 254,846.24/x
  3. Step 3: Cross multiply
    445,935.37x = 615,215.63 × 254,846.24
  4. Step 4: Simplify right side
    445,935.37x = 156,785,388,820.50
  5. Step 5: Solve for x
    x = 156,785,388,820.50/445,935.37
  6. Step 6: Final answer
    x = 351,587.70

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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.