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Finding the Fourth Proportional to 671,014.56, 925,848.06 and 489,825.24

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Solution

The fourth proportional to 671,014.56, 925,848.06 and 489,825.24 is: 675,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,014.56 : 925,848.06 = 489,825.24 : x
  2. Step 2: Convert to fraction form
    671,014.56/925,848.06 = 489,825.24/x
  3. Step 3: Cross multiply
    671,014.56x = 925,848.06 × 489,825.24
  4. Step 4: Simplify right side
    671,014.56x = 453,503,748,193.03
  5. Step 5: Solve for x
    x = 453,503,748,193.03/671,014.56
  6. Step 6: Final answer
    x = 675,847.85

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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.