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Finding the Fourth Proportional to 616,475.97, 850,665.11 and 344,544.39

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Solution

The fourth proportional to 616,475.97, 850,665.11 and 344,544.39 is: 475,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,475.97 : 850,665.11 = 344,544.39 : x
  2. Step 2: Convert to fraction form
    616,475.97/850,665.11 = 344,544.39/x
  3. Step 3: Cross multiply
    616,475.97x = 850,665.11 × 344,544.39
  4. Step 4: Simplify right side
    616,475.97x = 293,091,889,696.51
  5. Step 5: Solve for x
    x = 293,091,889,696.51/616,475.97
  6. Step 6: Final answer
    x = 475,431.17

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1.5x scale

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.