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Finding the Fourth Proportional to 477,627.53, 716,441.15 and 327,412.40

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Solution

The fourth proportional to 477,627.53, 716,441.15 and 327,412.40 is: 491,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,627.53 : 716,441.15 = 327,412.40 : x
  2. Step 2: Convert to fraction form
    477,627.53/716,441.15 = 327,412.40/x
  3. Step 3: Cross multiply
    477,627.53x = 716,441.15 × 327,412.40
  4. Step 4: Simplify right side
    477,627.53x = 234,571,716,380.26
  5. Step 5: Solve for x
    x = 234,571,716,380.26/477,627.53
  6. Step 6: Final answer
    x = 491,118.51

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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.