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Finding the Fourth Proportional to 292,114.88, 438,231.44 and 123,634.88

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Solution

The fourth proportional to 292,114.88, 438,231.44 and 123,634.88 is: 185,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,114.88 : 438,231.44 = 123,634.88 : x
  2. Step 2: Convert to fraction form
    292,114.88/438,231.44 = 123,634.88/x
  3. Step 3: Cross multiply
    292,114.88x = 438,231.44 × 123,634.88
  4. Step 4: Simplify right side
    292,114.88x = 54,180,691,496.63
  5. Step 5: Solve for x
    x = 54,180,691,496.63/292,114.88
  6. Step 6: Final answer
    x = 185,477.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.