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Finding the Fourth Proportional to 544,281.12, 751,057.11 and 314,801.64

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Solution

The fourth proportional to 544,281.12, 751,057.11 and 314,801.64 is: 434,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,281.12 : 751,057.11 = 314,801.64 : x
  2. Step 2: Convert to fraction form
    544,281.12/751,057.11 = 314,801.64/x
  3. Step 3: Cross multiply
    544,281.12x = 751,057.11 × 314,801.64
  4. Step 4: Simplify right side
    544,281.12x = 236,434,009,961.66
  5. Step 5: Solve for x
    x = 236,434,009,961.66/544,281.12
  6. Step 6: Final answer
    x = 434,396.86

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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.