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Finding the Fourth Proportional to 616,437.22, 850,709.62 and 344,505.10

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Solution

The fourth proportional to 616,437.22, 850,709.62 and 344,505.10 is: 475,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,437.22 : 850,709.62 = 344,505.10 : x
  2. Step 2: Convert to fraction form
    616,437.22/850,709.62 = 344,505.10/x
  3. Step 3: Cross multiply
    616,437.22x = 850,709.62 × 344,505.10
  4. Step 4: Simplify right side
    616,437.22x = 293,073,802,709.06
  5. Step 5: Solve for x
    x = 293,073,802,709.06/616,437.22
  6. Step 6: Final answer
    x = 475,431.71

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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.