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Finding the Fourth Proportional to 667,060.48, 920,553.60 and 365,282.56

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Solution

The fourth proportional to 667,060.48, 920,553.60 and 365,282.56 is: 504,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,060.48 : 920,553.60 = 365,282.56 : x
  2. Step 2: Convert to fraction form
    667,060.48/920,553.60 = 365,282.56/x
  3. Step 3: Cross multiply
    667,060.48x = 920,553.60 × 365,282.56
  4. Step 4: Simplify right side
    667,060.48x = 336,262,175,625.22
  5. Step 5: Solve for x
    x = 336,262,175,625.22/667,060.48
  6. Step 6: Final answer
    x = 504,095.48

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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.