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Finding the Fourth Proportional to 710,819.62, 980,932.98 and 424,333.54

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Solution

The fourth proportional to 710,819.62, 980,932.98 and 424,333.54 is: 585,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,819.62 : 980,932.98 = 424,333.54 : x
  2. Step 2: Convert to fraction form
    710,819.62/980,932.98 = 424,333.54/x
  3. Step 3: Cross multiply
    710,819.62x = 980,932.98 × 424,333.54
  4. Step 4: Simplify right side
    710,819.62x = 416,242,763,906.15
  5. Step 5: Solve for x
    x = 416,242,763,906.15/710,819.62
  6. Step 6: Final answer
    x = 585,581.42

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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.