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Finding the Fourth Proportional to 442,833, 611,109.54 and 241,629

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Solution

The fourth proportional to 442,833, 611,109.54 and 241,629 is: 333,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,833 : 611,109.54 = 241,629 : x
  2. Step 2: Convert to fraction form
    442,833/611,109.54 = 241,629/x
  3. Step 3: Cross multiply
    442,833x = 611,109.54 × 241,629
  4. Step 4: Simplify right side
    442,833x = 147,661,787,040.66
  5. Step 5: Solve for x
    x = 147,661,787,040.66/442,833
  6. Step 6: Final answer
    x = 333,448.02

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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.