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Finding the Fourth Proportional to 533,903.40, 800,855.10 and 533,903.40

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Solution

The fourth proportional to 533,903.40, 800,855.10 and 533,903.40 is: 800,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,903.40 : 800,855.10 = 533,903.40 : x
  2. Step 2: Convert to fraction form
    533,903.40/800,855.10 = 533,903.40/x
  3. Step 3: Cross multiply
    533,903.40x = 800,855.10 × 533,903.40
  4. Step 4: Simplify right side
    533,903.40x = 427,579,260,797.34
  5. Step 5: Solve for x
    x = 427,579,260,797.34/533,903.40
  6. Step 6: Final answer
    x = 800,855.10

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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.