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Finding the Fourth Proportional to 635,261.68, 876,662.88 and 348,800.32

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Solution

The fourth proportional to 635,261.68, 876,662.88 and 348,800.32 is: 481,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,261.68 : 876,662.88 = 348,800.32 : x
  2. Step 2: Convert to fraction form
    635,261.68/876,662.88 = 348,800.32/x
  3. Step 3: Cross multiply
    635,261.68x = 876,662.88 × 348,800.32
  4. Step 4: Simplify right side
    635,261.68x = 305,780,293,076.12
  5. Step 5: Solve for x
    x = 305,780,293,076.12/635,261.68
  6. Step 6: Final answer
    x = 481,345.41

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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.