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Finding the Fourth Proportional to 534,486.88, 737,591.72 and 292,784.56

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Solution

The fourth proportional to 534,486.88, 737,591.72 and 292,784.56 is: 404,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,486.88 : 737,591.72 = 292,784.56 : x
  2. Step 2: Convert to fraction form
    534,486.88/737,591.72 = 292,784.56/x
  3. Step 3: Cross multiply
    534,486.88x = 737,591.72 × 292,784.56
  4. Step 4: Simplify right side
    534,486.88x = 215,955,467,199.84
  5. Step 5: Solve for x
    x = 215,955,467,199.84/534,486.88
  6. Step 6: Final answer
    x = 404,042.60

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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.