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Finding the Fourth Proportional to 671,016.56, 925,850.82 and 489,827.24

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Solution

The fourth proportional to 671,016.56, 925,850.82 and 489,827.24 is: 675,850.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,016.56 : 925,850.82 = 489,827.24 : x
  2. Step 2: Convert to fraction form
    671,016.56/925,850.82 = 489,827.24/x
  3. Step 3: Cross multiply
    671,016.56x = 925,850.82 × 489,827.24
  4. Step 4: Simplify right side
    671,016.56x = 453,506,951,812.34
  5. Step 5: Solve for x
    x = 453,506,951,812.34/671,016.56
  6. Step 6: Final answer
    x = 675,850.61

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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.