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Finding the Fourth Proportional to 635,935.78, 877,596.15 and 345,550.11

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Solution

The fourth proportional to 635,935.78, 877,596.15 and 345,550.11 is: 476,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,935.78 : 877,596.15 = 345,550.11 : x
  2. Step 2: Convert to fraction form
    635,935.78/877,596.15 = 345,550.11/x
  3. Step 3: Cross multiply
    635,935.78x = 877,596.15 × 345,550.11
  4. Step 4: Simplify right side
    635,935.78x = 303,253,446,168.08
  5. Step 5: Solve for x
    x = 303,253,446,168.08/635,935.78
  6. Step 6: Final answer
    x = 476,861.75

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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.