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Finding the Fourth Proportional to 616,239.12, 850,453.99 and 340,591.04

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Solution

The fourth proportional to 616,239.12, 850,453.99 and 340,591.04 is: 470,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,239.12 : 850,453.99 = 340,591.04 : x
  2. Step 2: Convert to fraction form
    616,239.12/850,453.99 = 340,591.04/x
  3. Step 3: Cross multiply
    616,239.12x = 850,453.99 × 340,591.04
  4. Step 4: Simplify right side
    616,239.12x = 289,657,012,116.73
  5. Step 5: Solve for x
    x = 289,657,012,116.73/616,239.12
  6. Step 6: Final answer
    x = 470,039.96

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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.