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Finding the Fourth Proportional to 635,258.68, 876,658.72 and 348,797.32

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Solution

The fourth proportional to 635,258.68, 876,658.72 and 348,797.32 is: 481,341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,258.68 : 876,658.72 = 348,797.32 : x
  2. Step 2: Convert to fraction form
    635,258.68/876,658.72 = 348,797.32/x
  3. Step 3: Cross multiply
    635,258.68x = 876,658.72 × 348,797.32
  4. Step 4: Simplify right side
    635,258.68x = 305,776,212,090.63
  5. Step 5: Solve for x
    x = 305,776,212,090.63/635,258.68
  6. Step 6: Final answer
    x = 481,341.26

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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.