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Finding the Fourth Proportional to 619,258.80, 854,656.20 and 364,633.68

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Solution

The fourth proportional to 619,258.80, 854,656.20 and 364,633.68 is: 503,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,258.80 : 854,656.20 = 364,633.68 : x
  2. Step 2: Convert to fraction form
    619,258.80/854,656.20 = 364,633.68/x
  3. Step 3: Cross multiply
    619,258.80x = 854,656.20 × 364,633.68
  4. Step 4: Simplify right side
    619,258.80x = 311,636,435,340.82
  5. Step 5: Solve for x
    x = 311,636,435,340.82/619,258.80
  6. Step 6: Final answer
    x = 503,241.03

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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.