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Finding the Fourth Proportional to 635,009.26, 876,329.40 and 363,121.42

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Solution

The fourth proportional to 635,009.26, 876,329.40 and 363,121.42 is: 501,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,009.26 : 876,329.40 = 363,121.42 : x
  2. Step 2: Convert to fraction form
    635,009.26/876,329.40 = 363,121.42/x
  3. Step 3: Cross multiply
    635,009.26x = 876,329.40 × 363,121.42
  4. Step 4: Simplify right side
    635,009.26x = 318,213,976,115.75
  5. Step 5: Solve for x
    x = 318,213,976,115.75/635,009.26
  6. Step 6: Final answer
    x = 501,117.06

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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.