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Finding the Fourth Proportional to 659,091.73, 909,592.37 and 368,798.92

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Solution

The fourth proportional to 659,091.73, 909,592.37 and 368,798.92 is: 508,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,091.73 : 909,592.37 = 368,798.92 : x
  2. Step 2: Convert to fraction form
    659,091.73/909,592.37 = 368,798.92/x
  3. Step 3: Cross multiply
    659,091.73x = 909,592.37 × 368,798.92
  4. Step 4: Simplify right side
    659,091.73x = 335,456,677,304.28
  5. Step 5: Solve for x
    x = 335,456,677,304.28/659,091.73
  6. Step 6: Final answer
    x = 508,968.12

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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.