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Finding the Fourth Proportional to 692,224.56, 955,209.24 and 386,277.84

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Solution

The fourth proportional to 692,224.56, 955,209.24 and 386,277.84 is: 533,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,224.56 : 955,209.24 = 386,277.84 : x
  2. Step 2: Convert to fraction form
    692,224.56/955,209.24 = 386,277.84/x
  3. Step 3: Cross multiply
    692,224.56x = 955,209.24 × 386,277.84
  4. Step 4: Simplify right side
    692,224.56x = 368,976,161,975.24
  5. Step 5: Solve for x
    x = 368,976,161,975.24/692,224.56
  6. Step 6: Final answer
    x = 533,029.57

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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.