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Finding the Fourth Proportional to 458,599.05, 632,421.27 and 356,444.28

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Solution

The fourth proportional to 458,599.05, 632,421.27 and 356,444.28 is: 491,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,599.05 : 632,421.27 = 356,444.28 : x
  2. Step 2: Convert to fraction form
    458,599.05/632,421.27 = 356,444.28/x
  3. Step 3: Cross multiply
    458,599.05x = 632,421.27 × 356,444.28
  4. Step 4: Simplify right side
    458,599.05x = 225,422,944,241.84
  5. Step 5: Solve for x
    x = 225,422,944,241.84/458,599.05
  6. Step 6: Final answer
    x = 491,546.91

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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.