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Finding the Fourth Proportional to 431,388.88, 595,342.65 and 237,796.32

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Solution

The fourth proportional to 431,388.88, 595,342.65 and 237,796.32 is: 328,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,388.88 : 595,342.65 = 237,796.32 : x
  2. Step 2: Convert to fraction form
    431,388.88/595,342.65 = 237,796.32/x
  3. Step 3: Cross multiply
    431,388.88x = 595,342.65 × 237,796.32
  4. Step 4: Simplify right side
    431,388.88x = 141,570,291,309.05
  5. Step 5: Solve for x
    x = 141,570,291,309.05/431,388.88
  6. Step 6: Final answer
    x = 328,173.25

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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.