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Finding the Fourth Proportional to 438,854, 605,618.52 and 237,650

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Solution

The fourth proportional to 438,854, 605,618.52 and 237,650 is: 327,957

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,854 : 605,618.52 = 237,650 : x
  2. Step 2: Convert to fraction form
    438,854/605,618.52 = 237,650/x
  3. Step 3: Cross multiply
    438,854x = 605,618.52 × 237,650
  4. Step 4: Simplify right side
    438,854x = 143,925,241,278
  5. Step 5: Solve for x
    x = 143,925,241,278/438,854
  6. Step 6: Final answer
    x = 327,957

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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.