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Finding the Fourth Proportional to 519,604.62, 779,815.20 and 266,874.90

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Solution

The fourth proportional to 519,604.62, 779,815.20 and 266,874.90 is: 400,522.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,604.62 : 779,815.20 = 266,874.90 : x
  2. Step 2: Convert to fraction form
    519,604.62/779,815.20 = 266,874.90/x
  3. Step 3: Cross multiply
    519,604.62x = 779,815.20 × 266,874.90
  4. Step 4: Simplify right side
    519,604.62x = 208,113,103,518.48
  5. Step 5: Solve for x
    x = 208,113,103,518.48/519,604.62
  6. Step 6: Final answer
    x = 400,522.04

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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.