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Finding the Fourth Proportional to 377,060.20, 565,590.30 and 335,069.80

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Solution

The fourth proportional to 377,060.20, 565,590.30 and 335,069.80 is: 502,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,060.20 : 565,590.30 = 335,069.80 : x
  2. Step 2: Convert to fraction form
    377,060.20/565,590.30 = 335,069.80/x
  3. Step 3: Cross multiply
    377,060.20x = 565,590.30 × 335,069.80
  4. Step 4: Simplify right side
    377,060.20x = 189,512,228,702.94
  5. Step 5: Solve for x
    x = 189,512,228,702.94/377,060.20
  6. Step 6: Final answer
    x = 502,604.70

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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.