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Finding the Fourth Proportional to 536,474.20, 804,711.30 and 528,179.80

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Solution

The fourth proportional to 536,474.20, 804,711.30 and 528,179.80 is: 792,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,474.20 : 804,711.30 = 528,179.80 : x
  2. Step 2: Convert to fraction form
    536,474.20/804,711.30 = 528,179.80/x
  3. Step 3: Cross multiply
    536,474.20x = 804,711.30 × 528,179.80
  4. Step 4: Simplify right side
    536,474.20x = 425,032,253,491.74
  5. Step 5: Solve for x
    x = 425,032,253,491.74/536,474.20
  6. Step 6: Final answer
    x = 792,269.70

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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.