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Finding the Fourth Proportional to 533,979.80, 799,803.30 and 414,715.40

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Solution

The fourth proportional to 533,979.80, 799,803.30 and 414,715.40 is: 621,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,979.80 : 799,803.30 = 414,715.40 : x
  2. Step 2: Convert to fraction form
    533,979.80/799,803.30 = 414,715.40/x
  3. Step 3: Cross multiply
    533,979.80x = 799,803.30 × 414,715.40
  4. Step 4: Simplify right side
    533,979.80x = 331,690,745,480.82
  5. Step 5: Solve for x
    x = 331,690,745,480.82/533,979.80
  6. Step 6: Final answer
    x = 621,167.22

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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.