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Finding the Fourth Proportional to 310,675.31, 465,805.37 and 250,777.48

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Solution

The fourth proportional to 310,675.31, 465,805.37 and 250,777.48 is: 375,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,675.31 : 465,805.37 = 250,777.48 : x
  2. Step 2: Convert to fraction form
    310,675.31/465,805.37 = 250,777.48/x
  3. Step 3: Cross multiply
    310,675.31x = 465,805.37 × 250,777.48
  4. Step 4: Simplify right side
    310,675.31x = 116,813,497,497.27
  5. Step 5: Solve for x
    x = 116,813,497,497.27/310,675.31
  6. Step 6: Final answer
    x = 375,998.65

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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.