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Finding the Fourth Proportional to 635,269.11, 876,421.35 and 363,190.84

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Solution

The fourth proportional to 635,269.11, 876,421.35 and 363,190.84 is: 501,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,269.11 : 876,421.35 = 363,190.84 : x
  2. Step 2: Convert to fraction form
    635,269.11/876,421.35 = 363,190.84/x
  3. Step 3: Cross multiply
    635,269.11x = 876,421.35 × 363,190.84
  4. Step 4: Simplify right side
    635,269.11x = 318,308,206,300.43
  5. Step 5: Solve for x
    x = 318,308,206,300.43/635,269.11
  6. Step 6: Final answer
    x = 501,060.42

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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.