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Finding the Fourth Proportional to 616,204.90, 850,217.04 and 357,928.36

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Solution

The fourth proportional to 616,204.90, 850,217.04 and 357,928.36 is: 493,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,204.90 : 850,217.04 = 357,928.36 : x
  2. Step 2: Convert to fraction form
    616,204.90/850,217.04 = 357,928.36/x
  3. Step 3: Cross multiply
    616,204.90x = 850,217.04 × 357,928.36
  4. Step 4: Simplify right side
    616,204.90x = 304,316,790,771.25
  5. Step 5: Solve for x
    x = 304,316,790,771.25/616,204.90
  6. Step 6: Final answer
    x = 493,856.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.