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Finding the Fourth Proportional to 671,796.32, 927,060 and 365,865.80

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Solution

The fourth proportional to 671,796.32, 927,060 and 365,865.80 is: 504,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,796.32 : 927,060 = 365,865.80 : x
  2. Step 2: Convert to fraction form
    671,796.32/927,060 = 365,865.80/x
  3. Step 3: Cross multiply
    671,796.32x = 927,060 × 365,865.80
  4. Step 4: Simplify right side
    671,796.32x = 339,179,548,548
  5. Step 5: Solve for x
    x = 339,179,548,548/671,796.32
  6. Step 6: Final answer
    x = 504,884.50

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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.