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Finding the Fourth Proportional to 610,876.49, 916,368.59 and 226,629.79

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Solution

The fourth proportional to 610,876.49, 916,368.59 and 226,629.79 is: 339,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,876.49 : 916,368.59 = 226,629.79 : x
  2. Step 2: Convert to fraction form
    610,876.49/916,368.59 = 226,629.79/x
  3. Step 3: Cross multiply
    610,876.49x = 916,368.59 × 226,629.79
  4. Step 4: Simplify right side
    610,876.49x = 207,676,422,466.06
  5. Step 5: Solve for x
    x = 207,676,422,466.06/610,876.49
  6. Step 6: Final answer
    x = 339,964.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.