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Finding the Fourth Proportional to 635,362.14, 876,878.73 and 363,392.31

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Solution

The fourth proportional to 635,362.14, 876,878.73 and 363,392.31 is: 501,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,362.14 : 876,878.73 = 363,392.31 : x
  2. Step 2: Convert to fraction form
    635,362.14/876,878.73 = 363,392.31/x
  3. Step 3: Cross multiply
    635,362.14x = 876,878.73 × 363,392.31
  4. Step 4: Simplify right side
    635,362.14x = 318,650,987,284.57
  5. Step 5: Solve for x
    x = 318,650,987,284.57/635,362.14
  6. Step 6: Final answer
    x = 501,526.56

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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.