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Finding the Fourth Proportional to 536,853.90, 804,589.65 and 411,573.90

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Solution

The fourth proportional to 536,853.90, 804,589.65 and 411,573.90 is: 616,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,853.90 : 804,589.65 = 411,573.90 : x
  2. Step 2: Convert to fraction form
    536,853.90/804,589.65 = 411,573.90/x
  3. Step 3: Cross multiply
    536,853.90x = 804,589.65 × 411,573.90
  4. Step 4: Simplify right side
    536,853.90x = 331,148,100,150.14
  5. Step 5: Solve for x
    x = 331,148,100,150.14/536,853.90
  6. Step 6: Final answer
    x = 616,830.95

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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.