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Finding the Fourth Proportional to 438,602.82, 605,273.70 and 237,398.82

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Solution

The fourth proportional to 438,602.82, 605,273.70 and 237,398.82 is: 327,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,602.82 : 605,273.70 = 237,398.82 : x
  2. Step 2: Convert to fraction form
    438,602.82/605,273.70 = 237,398.82/x
  3. Step 3: Cross multiply
    438,602.82x = 605,273.70 × 237,398.82
  4. Step 4: Simplify right side
    438,602.82x = 143,691,262,157.03
  5. Step 5: Solve for x
    x = 143,691,262,157.03/438,602.82
  6. Step 6: Final answer
    x = 327,611.35

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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.