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Finding the Fourth Proportional to 533,725.20, 801,041.40 and 218,408.40

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Solution

The fourth proportional to 533,725.20, 801,041.40 and 218,408.40 is: 327,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,725.20 : 801,041.40 = 218,408.40 : x
  2. Step 2: Convert to fraction form
    533,725.20/801,041.40 = 218,408.40/x
  3. Step 3: Cross multiply
    533,725.20x = 801,041.40 × 218,408.40
  4. Step 4: Simplify right side
    533,725.20x = 174,954,170,507.76
  5. Step 5: Solve for x
    x = 174,954,170,507.76/533,725.20
  6. Step 6: Final answer
    x = 327,798.22

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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.