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Finding the Fourth Proportional to 444,459.15, 666,688.73 and 326,361.15

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Solution

The fourth proportional to 444,459.15, 666,688.73 and 326,361.15 is: 489,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,459.15 : 666,688.73 = 326,361.15 : x
  2. Step 2: Convert to fraction form
    444,459.15/666,688.73 = 326,361.15/x
  3. Step 3: Cross multiply
    444,459.15x = 666,688.73 × 326,361.15
  4. Step 4: Simplify right side
    444,459.15x = 217,581,298,983.03
  5. Step 5: Solve for x
    x = 217,581,298,983.03/444,459.15
  6. Step 6: Final answer
    x = 489,541.73

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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.