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Finding the Fourth Proportional to 616,296.22, 850,440.37 and 340,642.49

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Solution

The fourth proportional to 616,296.22, 850,440.37 and 340,642.49 is: 470,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,296.22 : 850,440.37 = 340,642.49 : x
  2. Step 2: Convert to fraction form
    616,296.22/850,440.37 = 340,642.49/x
  3. Step 3: Cross multiply
    616,296.22x = 850,440.37 × 340,642.49
  4. Step 4: Simplify right side
    616,296.22x = 289,696,125,233.32
  5. Step 5: Solve for x
    x = 289,696,125,233.32/616,296.22
  6. Step 6: Final answer
    x = 470,059.88

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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.