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Finding the Fourth Proportional to 517,453.54, 714,084.79 and 291,099.04

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Solution

The fourth proportional to 517,453.54, 714,084.79 and 291,099.04 is: 401,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,453.54 : 714,084.79 = 291,099.04 : x
  2. Step 2: Convert to fraction form
    517,453.54/714,084.79 = 291,099.04/x
  3. Step 3: Cross multiply
    517,453.54x = 714,084.79 × 291,099.04
  4. Step 4: Simplify right side
    517,453.54x = 207,869,396,847.60
  5. Step 5: Solve for x
    x = 207,869,396,847.60/517,453.54
  6. Step 6: Final answer
    x = 401,716.06

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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.